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  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon169
    Verified heating and air conditioning services reviews

Find Heating and air conditioning pros in Renfrew

Mullen Heating and Air Conditioning
4.6(
205
)
Central A/C - InstallElectric Furnace / Forced Air Heating System - InstallGas Furnace / Forced Air Heating System - Install+47 more

Serving Renfrew, PA and surrounding areas

Approved

In business since 1988

Emergency services offered

Warranties offered

"Would absolutely recommend John Mullen and his company. From the first time I called John he was very responsive and professional. I had called multiple other HVAC companies to install a vent through a brick chimney and were having trouble finding someone who would even come take a look to see if they could tackle the project. John didn't hesitate and came out and talked to us to find the right solution. Once we were ready for the job we were able to schedule him within about two weeks and he called the day of to see if they could come a bit earlier than planned. I truly appreciate the quick and professional communication throughout the whole process. The guys that came with him to do the work were also professional and they got the job done quickly. The price we paid was very reasonable for the length of time they spent and the difficult job of drilling out through brick."
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Response time2 days
Response rate100%
6 neighbors recently requested a quote
Avatar for Air Systems Mechanical Contracting, Inc.
Air Systems Mechanical Contracting, Inc.
4.6(
54
)
Gas Furnace / Forced Air Heating System - InstallCentral A/C - InstallBoiler or Radiator Heating System - Install or Replace+21 more

Serving Renfrew, PA and surrounding areas

Approved

In business since 1989

Free estimates

Emergency services offered

"A great company, from the estimate to the install they were on time, informative and very professional. I really think I could not have found a better group of professionals to replace my current heat pump and air handler. Kudos to this company, I highly recommend you give them a shot at your HVAC needs. If their service is as punctual and professional as they have been for the install, I'm not sure you could find a better fit. Thank you Air Systems Mechanical and please say thank you to your team of guys for me who installed my system, they were outstanding! I found my go too for all my HVAC needs."
Williamson Upflow Oil Furnace
18 SEER American Standard A/C
American Standard TAM4 Air Handler
Rheem Tankless Water Heater
Williamson Condensing Boiler Installation

+12

Response time11 hrs
Response rate86%
5 neighbors recently requested a quote
Avatar for ARS - Pittsburgh
ARS - Pittsburgh
4.5(
197
)
Central A/C - InstallCentral A/C - Service or RepairGas Furnace / Forced Air Heating System - Install+5 more

Serving Renfrew, PA and surrounding areas

Approved (Corporate)

In business since 1975

Emergency services offered

Warranties offered

"They installed our HVAC system two years ago and they service it every 6 months. We have the furnace checked in the winter and the air conditioner checked in the spring. They are very reliable and professional and they do a great job."
System Installation
290 neighbors recently requested a quote
Recommended by80%of homeowners
Avatar for Aire Serv of Sewickley
Aire Serv of Sewickley
4.8(
22
)
Gas Furnace / Forced Air Heating System - InstallCentral A/C - InstallDuctless Mini-split A/C - Install or Replace+3 more

Serving Renfrew, PA and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

At Aire Serv® of Sewickley, PA, heating and air conditioning services are our specialty. Our friendly and knowledgeable service professionals are happy to answer any questions you may have and recommend the best service options for you.\n\nAire Serv ® is your trusted partner for reliable commercial HVAC services that keep your business operating comfortably and efficiently. From routine maintenance to urgent repairs, our experienced professionals deliver cost-effective solutions tailored to your space and schedule—minimizing downtime so you can stay focused on running your business.\n\n

Gallery
63 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Bactronix Corp
Bactronix Corp
4.9(
500
)
Air Ducts & Vents - Clean

Serving Renfrew, PA and surrounding areas

Approved

Super Service Award Winner

In business since 2011

Free estimates

Emergency services offered

"We hired Bactronix to clean the HVAC ducts in our house. Technicians Masson and Shawn arrived on time, did their work unobstrusively and efficiently, and answered all my questions politely and fully. They sent over before and after pictures of the ductwork by e-mail afterwards. Their work has made a positive difference to the air quality in the house, and we appreciate their services."
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+19

Response time1 day
7 neighbors recently requested a quote
Recommended by81%of homeowners
Avatar for MRT Contracting LLC
MRT Contracting LLC
5.0(
9
)
Heat Pump - Install or ReplaceElectric Boiler or Radiator Heating System - InstallOil Boiler or Radiator Heating System - Install+10 more

Serving Renfrew, PA and surrounding areas

Approved

Super Service Award Winner

In business since 2015

Free estimates

Emergency services offered

"John and his crew were very prompt and nice. I had a heat pump put in and the crew at MRT are knowledgeable and hard working nice guys, they would not leave my house until everything was working. I would highly recommend them for any HVAC issues you may have . The price was fair and a thorough explanation on what they were going to do and why."
Furnace Replacement
AC Replacement
AC Replacement
AC Replacement
AC Replacement

+9

Response time1 day
Response rate98%
8 neighbors recently requested a quote
Avatar for Aire Serv of Sewickley
Aire Serv of Sewickley
4.8(
22
)
Air Ducts & Vents - CleanCentral A/C - Service or RepairGas Furnace / Forced Air Heating System - Repair+5 more

Serving Renfrew, PA and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

In the middle of July, when the thermometer is pushing past 100 degrees Fahrenheit, air conditioning isn't a luxury that's nice to have in Pittsburgh—it's an absolute necessity that you don't want to live without. It's obviously a disaster when your air conditioner grinds to a halt on the hottest day of the year. But it's also incredibly frustrating to deal with an AC unit that only "kind of" works and is struggling to get your house down to the temperature on your thermostat or control humidity levels. When you notice those types of annoying issues, it's necessary to get professional Pittsburgh air conditioner repair services before the problem worsens and you're left sweltering in an overheated house.

Gallery
34 neighbors recently requested a quote
Recommended by100%of homeowners
Kennihan Plumbing & Heating, Inc.
3.7(
227
)
Gas Boiler or Radiator Heating System - InstallCentral A/C - Service or RepairDuctless Mini-split Heating System - Install or Replace+15 more

Serving Renfrew, PA and surrounding areas

Approved

In business since 1969

Free estimates

Emergency services offered

"Dave Hinchberger is a "pros pro!" Dave quickly and effectively analyzed my HVAC issue and then professional fixed my problem. Dave's diagnostic skills allowed him to analyze and fix my HVAC problem without "being a parts changer" as it seems most repairmen are that I have experienced. I cannot rate him high enough. Par Excellence service!!"
NEW SHOWER HEAD & FAUCET
NEW TILE
Ultra High Efficiency System
Furnace Replacement
Furnace Replacement

+2

Response time7 hrs
5 neighbors recently requested a quote
Recommended by84%of homeowners
Avatar for Jeffers & Leek Electric, Inc.
Jeffers & Leek Electric, Inc.
4.2(
466
)
Electrical Baseboard or Wall Heater - InstallElectrical Baseboard or Wall Heater - Repair

Serving Renfrew, PA and surrounding areas

Approved

Super Service Award Winner

In business since 2003

Free estimates

Emergency services offered

Here at Jeffers & Leek Electric, Inc., We are a Family owned business with over 30 years of experience. we are known for our prompt and friendly service. We take great pride in dealing personally with all of our customers. We provide honest and fair consultations.

Panel Upgrades
Recessed Lighting
Under Cabinet Lighting
Ceiling fan installation
House Rewire, Knob and tube Removal

+11

14 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Advantage Remediation Services
Advantage Remediation Services
5.0(
6
)
Air Ducts & Vents - Clean

Serving Renfrew, PA and surrounding areas

Approved

Super Service Award Winner

In business since 2025

Free estimates

Emergency services offered

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. As a locally owned and operated business you can trust that we will treat your home as we would treat our own. Give us a call today, and we look forward to working with you!

My Jobs
My Jobs
My Jobs
My Jobs
My jobs

+10

Response time9 hrs
Response rate96%
8 neighbors recently requested a quote
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Heating and Air Conditioning questions, answered by experts

Most AC repair technicians will take between two and six hours to carry out repairs, depending on the work needed and the accessibility of the unit. For example, recharging refrigerant lines should take one to two hours to service, while replacing a compressor, blower fan, or other major components can take five to eight hours. You can ask your AC repair technician how long they expect the job to take, but just in case, you should plan on being home and available for most of the day.

For washable or electrostatic air conditioner filters, you can soak and rinse them with water. If you rinse the filter with water, make sure to use a faucet, shower head, or garden hose with a gentle water pressure setting, as strong water pressure could damage the filter.

But for disposable filters, water could ruin the filter, even allowing mold to grow in the filter. Instead, these filters should be replaced.

Freon will go in the refrigerant lines near the back of your AC unit. Look for small ports with caps on a thin copper line—the Freon goes into those ports. You are best off hiring a licensed HVAC professional who can complete the job safely and correctly.

As mentioned above, not all HVAC Schrader valves are necessarily the same. While the valve core and pin or spring size on Schrader valves used for HVAC are generally similar, the valves are not all universal and interchangeable. The size of Schrader valves varies depending on whether it's used in an air conditioner, bicycle tire, or motor vehicle tire.

There are a few ways to reduce your electricity bills if you use window AC units to keep cool. Set the unit temperature at least 1 degree higher than it is currently to reduce costs. Keep the unit clean for it to run efficiently. You may want to hire a window AC specialist near you to inspect the unit once a year and keep it in tip-top shape.

The Renfrew, 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.