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TRUSTED BY CARNEGIE, PA HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon376
    Verified heating and air conditioning services reviews

Find Heating and air conditioning pros in Carnegie

HP4 Enterprises

5.00(
2
)
Approved Pro

HP4 Enterprises

5.00(
2
)
Approved Pro
Customers say: Quick response
6 years of experience
Free onsite estimate

We are a locally owned and operated company that values honesty and integrity in all aspects of our business. We offer a variety of lawn care and landscaping services that are customizable to each individual property. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships with our clients and guarantee your satisfaction!

"Harry Wieland from HP4 Enterprises was exceptional. He was flexible and worked with me around my work schedule. He installed a new condenser, Coil and furnace. Installation was done promptly and he took the time to ensure it was done right. Highly recommend "

Frank C on June 2025

We are a locally owned and operated company that values honesty and integrity in all aspects of our business. We offer a variety of lawn care and landscaping services that are customizable to each individual property. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships with our clients and guarantee your satisfaction!

"Harry Wieland from HP4 Enterprises was exceptional. He was flexible and worked with me around my work schedule. He installed a new condenser, Coil and furnace. Installation was done promptly and he took the time to ensure it was done right. Highly recommend "

Frank C on June 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!


When it comes to heating and cooling issues, we're who your neighbors call. Call us today to schedule your service!


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!


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 Canonsburg's Best Handyman LLC

Canonsburg's Best Handyman LLC

5.00(
5
)
Approved Pro

Canonsburg's Best Handyman LLC

5.00(
5
)
Approved Pro
Customers say: Quick response
109 local quotes requested
1 years of experience

(724) 288-5011 We offer small and large home improvement and repair service. We also offer enclosed trailer hauling for anything you want to keep out of the elements and lawn services. Just ask and we most likely offer the service.

"Excellent work and excellent work ethic! Jack swooped in like Superman to replace my rotted framing around patio French doors, staying late so everything was finished the same day I called! Highly recommend! I will definitely use Jack again at the next household crisis."

Carolyn K on May 2024

(724) 288-5011 We offer small and large home improvement and repair service. We also offer enclosed trailer hauling for anything you want to keep out of the elements and lawn services. Just ask and we most likely offer the service.

"Excellent work and excellent work ethic! Jack swooped in like Superman to replace my rotted framing around patio French doors, staying late so everything was finished the same day I called! Highly recommend! I will definitely use Jack again at the next household crisis."

Carolyn K on May 2024


Mullen Heating and Air Conditioning

4.57(
199
)
Approved Pro

Mullen Heating and Air Conditioning

4.57(
199
)
Approved Pro
Customers say: Quality work
75 local quotes requested
37 years of experience

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.

"Excellent experience. Highly recommended."

Jason Z on January 2022

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.

"Excellent experience. Highly recommended."

Jason Z on January 2022


Avatar for B R Handyman

B R Handyman

4.92(
77
)
Approved Pro

B R Handyman

4.92(
77
)
Approved Pro
Customers say: True professional
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
102 local quotes requested

I am a sole proprietorship offering both residential and commercial handyman services. I offer a variety of handyman services including, painting, carpentry, home repairs, etc. I won't leave until the job is done right. Reach out today about an estimate. I do not subcontract work out.

"Bill did an excellent job on the projects he completed for me. I would highly recommend him for anyone needing a handyman."

Ken B on February 2024

I am a sole proprietorship offering both residential and commercial handyman services. I offer a variety of handyman services including, painting, carpentry, home repairs, etc. I won't leave until the job is done right. Reach out today about an estimate. I do not subcontract work out.

"Bill did an excellent job on the projects he completed for me. I would highly recommend him for anyone needing a handyman."

Ken B on February 2024


"Satisfied"

Michael C on April 2022

Wade Heating and Cooling, Inc is one of Pittsburgh Metro's leading residential and commercial HVAC contractors with the ability to handle all of your needs. We are a Lennox Dealer, but can handle all of your indoor comfort needs.

"Satisfied"

Michael C on April 2022


Avatar for Air Systems Mechanical Contracting, Inc.

Air Systems Mechanical Contracting, Inc.

4.80(
45
)
Approved Pro

Air Systems Mechanical Contracting, Inc.

4.80(
45
)
Approved Pro
Customers say: Quality work
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
36 years of experience

Air Systems Mechanical Contracting, Inc. is a customer-focused heating, air conditioning, and excavation company that was originally started in 1989. Located in New Brighton, PA, we employ highly-trained people whose goal is to make our company the best service company in Beaver, Lawrence, Allegheny & Butler Counties. By today’s standards, our company achieves what is unheard of in our industry by maintaining customer satisfaction and approval before, during, and after our interactions with our customers. We accomplish this by maintaining up-to-date knowledge, employee training, competitive pricing, and professional workmanship. We strive to maintain our company motto of exceeding your expectations through results.

"Service by Steve was perfect. Very knowledgeable and pleasant."

George H on February 2025

Air Systems Mechanical Contracting, Inc. is a customer-focused heating, air conditioning, and excavation company that was originally started in 1989. Located in New Brighton, PA, we employ highly-trained people whose goal is to make our company the best service company in Beaver, Lawrence, Allegheny & Butler Counties. By today’s standards, our company achieves what is unheard of in our industry by maintaining customer satisfaction and approval before, during, and after our interactions with our customers. We accomplish this by maintaining up-to-date knowledge, employee training, competitive pricing, and professional workmanship. We strive to maintain our company motto of exceeding your expectations through results.

"Service by Steve was perfect. Very knowledgeable and pleasant."

George H on February 2025

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Heating and Air Conditioning questions, answered by experts

If you’re planning an AC replacement, choosing an AC with a higher SEER rating may save you money in the long run. Tax credits could cover as much as 30% of the job, and you’ll notice smaller utility bills (particularly if you live in a hot climate where you need to constantly run the AC). Generally, you can expect to pay between $350 and $1,500 for each SEER rating increase. Weigh the cost against your typical utility bill to figure out what’s worth it to you.

A power outage can damage your air conditioner, just like a power surge can damage any electrical device or appliance. In most cases, your circuit breaker or built-in surge protection on your AC unit protects your AC and just needs a reset. But in other cases, it might be that your AC compressor or capacitor was blown during the power surge. You’ll need to have an HVAC professional repair or replace any AC parts. 

Yes, mini split systems cool equally as well as central air. While a central system circulates air throughout the entire home at the same temperature, a mini split system allows each room to be cooled or heated at different temperatures based on your own preferences. Hire a HVAC professional to determine which type of system is best for your home.

When faced with HVAC issues, it's best to begin by ensuring the thermostat settings are correct for either heating or cooling. If the system isn't responding, check the thermostat for proper function and power supply. It's also important to examine air filters, as clogged ones can decrease performance. Confirm the power supply to the system by checking the circuit breakers and fuses. If these basic steps fail to resolve the issue, contact an HVAC professional for a more detailed diagnosis and repair.

To find a reputable HVAC company, start by finding providers in your area that have mostly positive reviews online. Next, check the Better Business Bureau’s website for customer complaints. Some states and municipalities require technicians to be licensed, so you should rule out companies that aren’t. Finally, contact each professional and ask for per-hour pricing, contract availability, and references to call. You can also ask if they have worked on your particular system brand in the past to confirm that they’re qualified.

The Carnegie, 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.

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