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    Verified heating and air conditioning services reviews

Find Heating and air conditioning pros in Blawnox

Mullen Heating and Air Conditioning

4.79(
184
)
Approved Pro

Mullen Heating and Air Conditioning

4.79(
184
)
Approved Pro
Customers say: Quality work
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
59 local quotes requested

John Mullen Home Repair has been a well-respected Heating and Air Conditioning "Solutionist" in the Pittsburgh area since its inception. I believe in honesty, open communication, reliability, customer service, timeliness and managing every project I undertake in a cost effective way. This way I can complete every job on time and on budget. . My biggest assets are my dedicated, hardworking, safety conscious honest caring crew. We believe in treating each job as we would want any contractor to treat our family if we cannot be there . We proudly represent Amana and Daikin systems. Thank you for considering John Mullen Home Repair. Financing is available.

"Called and scheduled an appointment promptly, came and fixed the issue"

Lisa H on November 2025

John Mullen Home Repair has been a well-respected Heating and Air Conditioning "Solutionist" in the Pittsburgh area since its inception. I believe in honesty, open communication, reliability, customer service, timeliness and managing every project I undertake in a cost effective way. This way I can complete every job on time and on budget. . My biggest assets are my dedicated, hardworking, safety conscious honest caring crew. We believe in treating each job as we would want any contractor to treat our family if we cannot be there . We proudly represent Amana and Daikin systems. Thank you for considering John Mullen Home Repair. Financing is available.

"Called and scheduled an appointment promptly, came and fixed the issue"

Lisa H on November 2025


Noah Patterson

New on AngiNew on Angi
Approved Pro

Noah Patterson

New on AngiNew on Angi
Approved Pro
4 years of experience
Free onsite estimate

We pride ourselves on our extreme professionalism and attention to detail. Our customer satisfaction guarantee will assure you we will not leave your property until you are completely satisfied with our work.Give us a call today, and we look forward to working with you!

We pride ourselves on our extreme professionalism and attention to detail. Our customer satisfaction guarantee will assure you we will not leave your property until you are completely satisfied with our work.Give us a call today, and we look forward to working with you!


Avatar for Ronnie Maier Heating & Air Conditioning, LLC

Ronnie Maier Heating & Air Conditioning, LLC

New on AngiNew on Angi
Approved Pro

Ronnie Maier Heating & Air Conditioning, LLC

New on AngiNew on Angi
Approved Pro
15 years of experience
Free onsite estimate

Ronald Maier is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

Ronald Maier is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.


Allegheny's Best Heating & Cooling LLC

New on AngiNew on Angi
Approved Pro

Allegheny's Best Heating & Cooling LLC

New on AngiNew on Angi
Approved Pro
9 years of experience
Free onsite estimate

Welcome to Allegheny's Best! We are the experts when it comes to residential and commercial HVAC installs and repairs. Our reputation for quality work, responsiveness and competitive pricing has been the primary factor in our success. We are committed to client satisfaction in which we serve the client from the developmental stages of a project to final completion. By early involvement in the conceptual phase of a project, we can explore all design possibilities with the client to assist in obtaining the best balance of aesthetics and budget covering all aspects. Through ongoing education, training and cutting edge technology, we bring the latest innovations to complete your project on time and within budget. Allegheny's Best welcomes the opportunity to assist you with your particular project needs. Give us a call; you'll be glad you did. We look forward to working with you!

Welcome to Allegheny's Best! We are the experts when it comes to residential and commercial HVAC installs and repairs. Our reputation for quality work, responsiveness and competitive pricing has been the primary factor in our success. We are committed to client satisfaction in which we serve the client from the developmental stages of a project to final completion. By early involvement in the conceptual phase of a project, we can explore all design possibilities with the client to assist in obtaining the best balance of aesthetics and budget covering all aspects. Through ongoing education, training and cutting edge technology, we bring the latest innovations to complete your project on time and within budget. Allegheny's Best welcomes the opportunity to assist you with your particular project needs. Give us a call; you'll be glad you did. We look forward to working with you!


Avatar for Bradley Brothers, LLC

Bradley Brothers, LLC

4.67(
32
)
Approved Pro

Bradley Brothers, LLC

4.67(
32
)
Approved Pro
Customers say: Quality work
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
12 years of experience

Bradley Brothers, LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Accurate knowledge of the trade combined with world-class ability makes us your clear choice for all home projects, call today to schedule an appointment!

"I found Bradley Brothers LLC via Angie's list. Brian contacted me in a few hours and they came out the next day. I thought there was an issue with the furnace's "SMART OR NOT SO SMART" thermostat because I just had my furnace checked in the fall. The furnace was coming on and off with short runs. Brian did a full diagnostic check on the furnace and it was good to go. He even checked to make sure there wasn't a gas leak! ð I requested a Honeywell old fashion thermostat installed , which he did. Problem solved plus the cost was reasonable. Brian was professional, courteous and very knowledgeable. Of course I had a lot of questions. He answered them without even blinking an eye and with a smile. But beware an older gentleman was with him and he was quite a talker but very knowledgeable too! ð I would call Bradley Brothers again for service and highly recommend them too."

Sandra N on December 2024

Bradley Brothers, LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Accurate knowledge of the trade combined with world-class ability makes us your clear choice for all home projects, call today to schedule an appointment!

"I found Bradley Brothers LLC via Angie's list. Brian contacted me in a few hours and they came out the next day. I thought there was an issue with the furnace's "SMART OR NOT SO SMART" thermostat because I just had my furnace checked in the fall. The furnace was coming on and off with short runs. Brian did a full diagnostic check on the furnace and it was good to go. He even checked to make sure there wasn't a gas leak! ð I requested a Honeywell old fashion thermostat installed , which he did. Problem solved plus the cost was reasonable. Brian was professional, courteous and very knowledgeable. Of course I had a lot of questions. He answered them without even blinking an eye and with a smile. But beware an older gentleman was with him and he was quite a talker but very knowledgeable too! ð I would call Bradley Brothers again for service and highly recommend them too."

Sandra N on December 2024


Allegheny General Contracting Services LLC

New on AngiNew on Angi
Approved Pro

Allegheny General Contracting Services LLC

New on AngiNew on Angi
Approved Pro
12 years of experience
Free onsite estimate

Allegheny General Contracting Services, LLC, proudly serves its customers with pride, integrity and attention to the details that matter most to you. This is one of the many things that sets us apart from the rest. We are locally owned and operated. Give us a call today!

Allegheny General Contracting Services, LLC, proudly serves its customers with pride, integrity and attention to the details that matter most to you. This is one of the many things that sets us apart from the rest. We are locally owned and operated. Give us a call today!


Avatar for CLIMATECH INC

CLIMATECH INC

4.59(
123
)
Approved Pro

CLIMATECH INC

4.59(
123
)
Approved Pro
Customers say: Super punctual
204 local quotes requested
53 years of experience

We are a full service heating and air conditioning contractor. We have 24 hour emergency service available. We currently have approximately 100 employees and we do not use sub contractors. Please visit our website at www.climatech.com for valuable offers and financing options.

"Terrible: 1) Installer did not install as agreed upon. Line was to be placed behind wallboard. They insisted it would not fit, but I found out later when I had another HVAC company install the same units at my work office and did place lines behind wall board behind 2x4's. Be honest will ya! 2) Installer damaged a valve in condenser causing unit to leak which needed replaced. I asked for a new condenser, but Climatech refused and repaired. and warranted the repair. I would have rather had new. 3) Installer split the copper line in two places. A 2nd installer had to come out several days after install to repair and finish install. I requested a new copper line, but they again refused, but instead warranted the repairs. I again wanted new. 4) They sale the unit as most quiet in industry, but when it get's below 40 degrees outside condenser hums and struggles over condensation. The inside unit gurgles and whistles and hisses over it as well. They had a Mitsubishi person come out. Their response is unit runs normal and the operations manual states that the noise is because of condensation and won't do anything further about it. I would have not ordered the unit knowing this. They should list this before selling it. Emailing me an operations manual after the fact of install and payment is just not an acceptable response. Neither Climatech nor Mitsubishi is showing any integrity nor addressing the noise problem. I would not use either again. I am exploring legal options and trying to develop a class action legal case over false advertisement to obtain a replacement unit to eliminate the noise or refund. Very disappointing to spend the one and get this from companies such as this. Email me for more information [email protected] Look at the pictures to see how bad their install looks in a finished room over the false position of their installer."

TriBoroFederalCredit U on March 2022

We are a full service heating and air conditioning contractor. We have 24 hour emergency service available. We currently have approximately 100 employees and we do not use sub contractors. Please visit our website at www.climatech.com for valuable offers and financing options.

"Terrible: 1) Installer did not install as agreed upon. Line was to be placed behind wallboard. They insisted it would not fit, but I found out later when I had another HVAC company install the same units at my work office and did place lines behind wall board behind 2x4's. Be honest will ya! 2) Installer damaged a valve in condenser causing unit to leak which needed replaced. I asked for a new condenser, but Climatech refused and repaired. and warranted the repair. I would have rather had new. 3) Installer split the copper line in two places. A 2nd installer had to come out several days after install to repair and finish install. I requested a new copper line, but they again refused, but instead warranted the repairs. I again wanted new. 4) They sale the unit as most quiet in industry, but when it get's below 40 degrees outside condenser hums and struggles over condensation. The inside unit gurgles and whistles and hisses over it as well. They had a Mitsubishi person come out. Their response is unit runs normal and the operations manual states that the noise is because of condensation and won't do anything further about it. I would have not ordered the unit knowing this. They should list this before selling it. Emailing me an operations manual after the fact of install and payment is just not an acceptable response. Neither Climatech nor Mitsubishi is showing any integrity nor addressing the noise problem. I would not use either again. I am exploring legal options and trying to develop a class action legal case over false advertisement to obtain a replacement unit to eliminate the noise or refund. Very disappointing to spend the one and get this from companies such as this. Email me for more information [email protected] Look at the pictures to see how bad their install looks in a finished room over the false position of their installer."

TriBoroFederalCredit U on March 2022


Avatar for Jacob Heating and Cooling

Jacob Heating and Cooling

4.76(
27
)
Approved Pro

Jacob Heating and Cooling

4.76(
27
)
Approved Pro
Customers say: True professional
14 years of experience
Free onsite estimate

Here at Jacob Heating and Cooling, we pride our company on reliability, great communication, integrity, and quality work. We strongly believe in giving our absolute best in all of our projects no matter how big or small. We are experts in our trade and will always keep you educated on your particular task or project. We look forward to earning your business!

"Repairs done"

Harry M on November 2024

Here at Jacob Heating and Cooling, we pride our company on reliability, great communication, integrity, and quality work. We strongly believe in giving our absolute best in all of our projects no matter how big or small. We are experts in our trade and will always keep you educated on your particular task or project. We look forward to earning your business!

"Repairs done"

Harry M on November 2024


Avatar for J A Sauer Co

J A Sauer Co

4.83(
174
)
Approved Pro

J A Sauer Co

4.83(
174
)
Approved Pro
Customers say: Super punctual
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
104 local quotes requested

Welcome to JA Sauer, your full service Carrier factory authorized dealer. Our objective since opening in 1981 has always been to exceed our customers' expectations in heating and cooling installation and repairs. To this day we have upheld this promise: providing superior service to area families and businesses. We strive to ensure your peace of mind by sending only the most reliable professionals into your home. You can count on us to make the entire process as east, quick and efficient as possible by determining the best solution for your unique needs, sending trained experts in to do the job right the first time and following up to be sure that all your needs were met. J.A. Sauer -- providing peace of mind so you can enjoy your Home Sweet Home. Additional phone -N. Pittsburgh 724-935-0410, Squirrel Hill 412-521-5277.

"Excellent job. Highly recommend. Good attention to detail and customer service."

Chris H on April 2024

Welcome to JA Sauer, your full service Carrier factory authorized dealer. Our objective since opening in 1981 has always been to exceed our customers' expectations in heating and cooling installation and repairs. To this day we have upheld this promise: providing superior service to area families and businesses. We strive to ensure your peace of mind by sending only the most reliable professionals into your home. You can count on us to make the entire process as east, quick and efficient as possible by determining the best solution for your unique needs, sending trained experts in to do the job right the first time and following up to be sure that all your needs were met. J.A. Sauer -- providing peace of mind so you can enjoy your Home Sweet Home. Additional phone -N. Pittsburgh 724-935-0410, Squirrel Hill 412-521-5277.

"Excellent job. Highly recommend. Good attention to detail and customer service."

Chris H on April 2024


Avatar for TrokStar Construction LLC

TrokStar Construction LLC

5.00(
26
)
Approved Pro

TrokStar Construction LLC

5.00(
26
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
291 local quotes requested

We specialize in all phases of remodeling for your home, business, bathrooms, kitchens, finishing basements, and more! We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out all the services we offer below and call -or- click to schedule a free estimate today! BBB - Business ID# 71104074 Contractor License# PA170976 EIN: 92-0586468

"Joe communicated via text and let me know when he would be coming, Then texted when he was on his way. He quickly solved my problem with the sliding doors and we engaged in a discussion about a couple future jobs. I believe he is the handyman we have been searching for!"

Sharon A on September 2025

We specialize in all phases of remodeling for your home, business, bathrooms, kitchens, finishing basements, and more! We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out all the services we offer below and call -or- click to schedule a free estimate today! BBB - Business ID# 71104074 Contractor License# PA170976 EIN: 92-0586468

"Joe communicated via text and let me know when he would be coming, Then texted when he was on his way. He quickly solved my problem with the sliding doors and we engaged in a discussion about a couple future jobs. I believe he is the handyman we have been searching for!"

Sharon A on September 2025

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Heating and Air Conditioning questions, answered by experts

Fixing a leak in an AC unit costs $200 to $1,600, depending on the type of leak and any related damage. But depending on the age and condition of your AC, it might make more sense to replace the AC unit instead of repairing it. If your AC is only a few years old and relatively problem-free, then repairing it is the right call. But if it’s nearing a decade old and has other issues, consider replacing it.

Mini-split air conditioners are less expensive to run than central air and are considerably more energy efficient. You can run the heating or cooling units in individual rooms and turn off the units in the rooms you aren’t using. This method allows you to save about 30% off your energy bill compared to a ducted system.

The general rule of thumb for figuring out how much AC tonnage you need in your home is that for every 500 to 600 square feet of space you need to cool, you’ll need one ton of AC cooling power. So, a 1,000-square-foot home will need 2 tons of AC power. 

No. Your furnace does not run your air conditioner. Both units use the same system of ductwork to move conditioned air throughout your home, but you can have a furnace without having an air conditioner and vice versa. Furnaces are only for heating your home. You can buy a system that does both, however, like a split system or a heat pump (yes, heat pumps cool, too).

Vents may blow air even though the air conditioning system is off because of the pressure difference between indoor and outdoor air or drafts from leaky ducts. Check for leaks or drafts in the ductwork or around windows and doors.

The Blawnox, PA homeowners’ guide to heating and air conditioning services

From average costs to expert advice, get all the answers you need to get your job done.