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  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon388
    Verified heating and air conditioning services reviews

Find Heating and air conditioning pros in Warren

Avatar for Airconex Heating & Cooling

Airconex Heating & Cooling

5.00(
28
)
Approved Pro

Airconex Heating & Cooling

5.00(
28
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
19 years of experience

AIrconex HVAC is a family-owned and operated business dedicated to providing top-notch heating, ventilation, and air conditioning services. With a strong commitment to excellence, father Dash and son Dario Daja ensure each customer receives personalized and professional care. Their hands-on approach and decades of combined experience guarantee reliable solutions tailored to every need. At Airconex HVAC, customer satisfaction isn't just a goal—it's a promise. From the first call to the final service check, the Daja's prioritize quality, honesty, and exceptional service, making every client feel like part of their extended family.

"The technician was knowledgeable, resolved the issue , and my furnace started working."

Shahjahan S on January 2024

AIrconex HVAC is a family-owned and operated business dedicated to providing top-notch heating, ventilation, and air conditioning services. With a strong commitment to excellence, father Dash and son Dario Daja ensure each customer receives personalized and professional care. Their hands-on approach and decades of combined experience guarantee reliable solutions tailored to every need. At Airconex HVAC, customer satisfaction isn't just a goal—it's a promise. From the first call to the final service check, the Daja's prioritize quality, honesty, and exceptional service, making every client feel like part of their extended family.

"The technician was knowledgeable, resolved the issue , and my furnace started working."

Shahjahan S on January 2024


Avatar for Elias Heating Cooling & Refrigeration

Elias Heating Cooling & Refrigeration

4.94(
32
)
Approved Pro

Elias Heating Cooling & Refrigeration

4.94(
32
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
8 years of experience

With years of experience in the HVAC industry, Ramsey is the expert you need to take care of your home or business. I will handle everything from heat pump service calls to water heater repairs and service. I will treat your home as I would treat my own. Give Elias Heating & Cooling & Refrigeration a call today, I look forward to working with you!

"Very prompt, friendly and professional."

Chris B on June 2023

With years of experience in the HVAC industry, Ramsey is the expert you need to take care of your home or business. I will handle everything from heat pump service calls to water heater repairs and service. I will treat your home as I would treat my own. Give Elias Heating & Cooling & Refrigeration a call today, I look forward to working with you!

"Very prompt, friendly and professional."

Chris B on June 2023


Avatar for No-Nonsense Heating and Cooling, Inc.

No-Nonsense Heating and Cooling, Inc.

4.73(
184
)
Approved Pro

No-Nonsense Heating and Cooling, Inc.

4.73(
184
)
Approved Pro
Customers say: True professional
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
12 years of experience

At No-Nonsense Heating and Cooling inc. We service all major brands of gas fired furnaces and air conditioners. On the water side: hot water boiler, steam boilers, tankless water heaters and your standard hot water tank/heaters.We are also Nate certified. Just because you have an old furnace, boiler or a/c does not automatically mean you need to REPLACE. Educating the customer makes our job easier, so please ask questions! schedule an appointment please call: 313-213-6087 Owner/technician: Robert Kaminski. Our service call is $65.00

"Had an attitude to begin, installed a gas valve (which I provided), drained the water heater but didn't divert the water out the side door with a hose(which I provided), forgot to turn water back on to tank, and didn't wave the service call like he said. Paid $355 for this and now I have to deal with the water heater he drained (without using the provided hose) soaking the hallway carpeting. Very pissed off"

Kevin H on July 2025

At No-Nonsense Heating and Cooling inc. We service all major brands of gas fired furnaces and air conditioners. On the water side: hot water boiler, steam boilers, tankless water heaters and your standard hot water tank/heaters.We are also Nate certified. Just because you have an old furnace, boiler or a/c does not automatically mean you need to REPLACE. Educating the customer makes our job easier, so please ask questions! schedule an appointment please call: 313-213-6087 Owner/technician: Robert Kaminski. Our service call is $65.00

"Had an attitude to begin, installed a gas valve (which I provided), drained the water heater but didn't divert the water out the side door with a hose(which I provided), forgot to turn water back on to tank, and didn't wave the service call like he said. Paid $355 for this and now I have to deal with the water heater he drained (without using the provided hose) soaking the hallway carpeting. Very pissed off"

Kevin H on July 2025


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Jamie G on November 2025

Andy's Statewide Heating and Air Conditioning provides the Detroit area with professional HVAC services. We require background checks and drug tests on all employees. Call Andy's Statewide 24/7!

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Jamie G on November 2025


Gecko Co

4.88(
42
)
Approved Pro

Gecko Co

4.88(
42
)
Approved Pro
Customers say: Super punctual
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
24 years of experience

Kitchen & Basement Remodeling. 1 employees. Subcontractors used for electrical, plumbing and tile work. Licensed, free estimates. Owner operated.

"Job well done, very pleased with everything. Highly recommend you will not be disappointed."

Dawn R on July 2022

Kitchen & Basement Remodeling. 1 employees. Subcontractors used for electrical, plumbing and tile work. Licensed, free estimates. Owner operated.

"Job well done, very pleased with everything. Highly recommend you will not be disappointed."

Dawn R on July 2022


Avatar for Detroit Furnace, LLC

Detroit Furnace, LLC

4.72(
40
)
Approved Pro

Detroit Furnace, LLC

4.72(
40
)
Approved Pro
Customers say: Quality work
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
40 years of experience

We are commited to our customers. We are a local detroit company with our 4 generations of heating and cooling service we have the experience needed to satisfy your comfort needs. When customers come to us we dont forget, we will know your name and remember your job. We can fix your furnace or install a new one for you. Give us a chance...you won't be disappointed.

"The gentleman y'all sent out Mr Theo couple weeks ago he came out to look at my refrigerator he did an excellent job on getting the ice out the bottom and making it stop coming and the ice maker not works today November 11th He's here again for my stove two eye two burner eyes went out he hasn't back working already immediately He's a wonderful guy I appreciate them thank you all."

Aaron S on November 2025

We are commited to our customers. We are a local detroit company with our 4 generations of heating and cooling service we have the experience needed to satisfy your comfort needs. When customers come to us we dont forget, we will know your name and remember your job. We can fix your furnace or install a new one for you. Give us a chance...you won't be disappointed.

"The gentleman y'all sent out Mr Theo couple weeks ago he came out to look at my refrigerator he did an excellent job on getting the ice out the bottom and making it stop coming and the ice maker not works today November 11th He's here again for my stove two eye two burner eyes went out he hasn't back working already immediately He's a wonderful guy I appreciate them thank you all."

Aaron S on November 2025


AS Contrera, LLC

4.76(
36
)
Approved Pro

AS Contrera, LLC

4.76(
36
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
42 years of experience

AS Contrera, LLC, provides expert heating and air conditioning service, sales, and installation for all equipment makes and models for residential and commercial customers throughout Oakland and Macomb County communities. Serving Southeastern Michigan for over 30 years, our expert technicians and knowledgeable staff are here to help you make the best decision for your home heating and cooling needs. From certified HVAC repairs, installation, tune-ups, and maintenance, we strive every day to provide world class customer service and the highest quality product. We provide free estimates and are available for 24 hour emergency service in Oakland and Macomb County. Contact our office today and let us exceed your expectations, we look forward to giving you peace of mind to call us any time and refer us to your family and neighbors.

"Tony, Eric, Anthony, Charles and two other technicians were just great to work with. So sorry not to remember the other two technicians names. We needed a new HVAC system for our home. I obtained 5 quotes and while MR FURNACE was not the best price, their customer service and knowledge was second to none! We are so happy with our decision. I would refer this company to anyone that needs repair or replacement."

Diane H on October 2019

AS Contrera, LLC, provides expert heating and air conditioning service, sales, and installation for all equipment makes and models for residential and commercial customers throughout Oakland and Macomb County communities. Serving Southeastern Michigan for over 30 years, our expert technicians and knowledgeable staff are here to help you make the best decision for your home heating and cooling needs. From certified HVAC repairs, installation, tune-ups, and maintenance, we strive every day to provide world class customer service and the highest quality product. We provide free estimates and are available for 24 hour emergency service in Oakland and Macomb County. Contact our office today and let us exceed your expectations, we look forward to giving you peace of mind to call us any time and refer us to your family and neighbors.

"Tony, Eric, Anthony, Charles and two other technicians were just great to work with. So sorry not to remember the other two technicians names. We needed a new HVAC system for our home. I obtained 5 quotes and while MR FURNACE was not the best price, their customer service and knowledge was second to none! We are so happy with our decision. I would refer this company to anyone that needs repair or replacement."

Diane H on October 2019


Avatar for Harriman Heating, Inc.

Harriman Heating, Inc.

4.51(
742
)
Approved Pro

Harriman Heating, Inc.

4.51(
742
)
Approved Pro
Customers say: True professional
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
29 years of experience

HARRIMAN HEATING INC ., has served Michigan customers since 1996 with quality HVAC products and services .They are considered a family owned business, and a contractor for DTE and Consumers energy. Call anytime 24 hours a day, unlike our competitors we answer the phone !!!!! And 24-hour emergency repair service is available. Installations of High efficient systems are available and all utility rebates apply are applicable. We believe in high quality of service and offer reasonably priced maintenance programs to keep your equipment in top performing and safe condition.

"This company provided excellent service. The communication was precise and very professional. The process was easy and I'm very pleased with my new HVAC system."

Dawn C on November 2025

HARRIMAN HEATING INC ., has served Michigan customers since 1996 with quality HVAC products and services .They are considered a family owned business, and a contractor for DTE and Consumers energy. Call anytime 24 hours a day, unlike our competitors we answer the phone !!!!! And 24-hour emergency repair service is available. Installations of High efficient systems are available and all utility rebates apply are applicable. We believe in high quality of service and offer reasonably priced maintenance programs to keep your equipment in top performing and safe condition.

"This company provided excellent service. The communication was precise and very professional. The process was easy and I'm very pleased with my new HVAC system."

Dawn C on November 2025


"Very professional and personable."

Robert R on October 2024

With a commitment to fair pricing, superior quality and customer service second to none Sweetwater Electric, LLC, looks forward to helping you with all of your electrical needs. Call today!

"Very professional and personable."

Robert R on October 2024


Avatar for EMH Mechanical LLC

EMH Mechanical LLC

5.00(
8
)
Approved Pro

EMH Mechanical LLC

5.00(
8
)
Approved Pro
Super Service Award
6 years of experience
Free onsite estimate

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! We are now offering instant estimates for equipment installation directly on our website!!! please visit www.emh-mechanical.com for pricing!!!

"I was very please with EMH Mechanical's repair of my freestanding fireplace. Angi's list sent me EMH's information and I spoke to Ethan yesterday and he has the repair done today. He was very polite, he was on time and I felt he was very honest with me. I would highly recommend EMH"

Patrice S on November 2025

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! We are now offering instant estimates for equipment installation directly on our website!!! please visit www.emh-mechanical.com for pricing!!!

"I was very please with EMH Mechanical's repair of my freestanding fireplace. Angi's list sent me EMH's information and I spoke to Ethan yesterday and he has the repair done today. He was very polite, he was on time and I felt he was very honest with me. I would highly recommend EMH"

Patrice S on November 2025

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Heating and Air Conditioning questions, answered by experts

When an evaporator coil becomes faulty, it can result in various problems within your HVAC system. These problems could include reduced cooling or heating capabilities due to ice formation and obstructed airflow, along with increased energy consumption and higher bills. Additionally, a damaged coil may lead to refrigerant leaks, which are environmentally harmful and decrease overall system efficiency.

Ultimately, if not addressed right away, a bad evaporator coil can even lead to a complete failure of your HVAC system. That’s why timely repair or replacement is crucial to maintaining your family’s comfort and your HVAC’s efficiency.

Choosing a unit with higher BTUs can use more electricity if the BTUs are more than what’s necessary for your room size. However, choosing an AC with BTUs that match the size of your room or house, your unit will cool your space efficiently. On the flip side, choosing a system with not enough BTUs can cause the system to work harder to try to cool the space, leading to more electricity consumption and higher energy bills.

The standard HVAC warranty is around five years. Still, many brands offer an extension to 10 years if you register the product within a specific timeframe, typically 60 to 90 days post-purchase or HVAC installation. Over the past decade, warranty periods have substantially increased, shifting from 3-5 years in the 90s to the now-prevalent 10+ year warranties. Both warranty types cover parts failing due to manufacturer defects, incurring no additional costs. Some manufacturers provide extended warranties surpassing the usual 15- to 20-year window, though these often involve extra fees. 

Most HVAC service calls include diagnostic fees, which could include checking on a specific issue you’re experiencing or running through a routine inspection checklist. If you called for a particular problem, the service call will also include an estimate to fix the issue, including materials and labor. Depending on your HVAC technician and the service you requested, you might also get a general inspection of your system components to ensure everything is working as intended.

You reset your AC after a power outage by turning off the air conditioner from the thermostat, resetting the circuit breaker, waiting 30 minutes, turning on the AC from the thermostat, and waiting 10 minutes to see the impact. Sometimes, with a power outage, the AC needs time to reset itself, so resetting the circuit breaker alone may not do the trick. 

The Warren, MI homeowners’ guide to heating and air conditioning services

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