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Avatar for McCrea Heating & Air Conditioning Services of PA
McCrea Heating & Air Conditioning Services of PA
4.7(
317
)
Central A/C - InstallCentral A/C - Service or RepairCentral Air Cleaner - Repair or Service+21 more

Serving Concord, PA and surrounding areas

Approved

In business since 1936

Free estimates

Emergency services offered

"Rob was the service technician who came by for check up on our Trane AC Unit. He was professional and courteous. He took time to explain and label damper settings for future reference. He was the best HVAC technician I have ever encountered thus far. Rob is definitely an asset to McCrea company. If I ever need service again, I want Rob to be the one to service my AC Unit. Thank you!"
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6 neighbors recently requested a quote
Recommended by95%of homeowners
Murchison cleaning solutions
New to Angi
Air Ducts & Vents - Clean

Serving Concord, PA and surrounding areas

Approved

\n\nBusiness & Career Focus: You’re very committed to building Murchison Cleaning Solutions and positioning it as a professional, competitive cleaning company for post-construction, commercial, and apartment projects. You take care with proposals, pricing, and contracts so you come across polished and reliable.\n\nFinancial Growth Mindset: You think strategically about how to scale—like structuring bids to hit monthly revenue goals, negotiating terms like 50% deposits, and making sure your pricing is competitive but profitable.\n\nCompliance & Professionalism: You’re detail-oriented about certifications (OSHA, WBE, etc.), IRS forms, EIN/DBA issues, and making sure your business is set up correctly. You want everything to look official and credible.\n\n

USPS Project
USPS Project
USPS Project
Avatar for Air Adviser, LLC
Air Adviser, LLC
5.0(
24
)
Ducts & Vents - Install or Replace

Serving Concord, PA and surrounding areas

In business since 2018

Free estimates

Credit card accepted

"Called Josh on a Saturday morning to report a problem with our heat pump by noon he was here and had identified the problem. We are very happy with this company as they do not use a 1000% markup on parts like some HVAC companies in the area seem to charge. With Air Adviser you get Honest service at an Honest price."
Installations
Furnace
Furnace
Furnace
Heater Repair

+11

Response time4 hrs
Recommended by100%of homeowners
Avatar for 717 Home Comfort LLC
717 Home Comfort LLC
4.9(
8
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace+8 more

Serving Concord, PA and surrounding areas

In business since 2025

Free estimates

Emergency services offered

"Absolutely amazing!!! Our AC stopped working today, and with the health issues that my kiddo & I have, long wait for an HVAC tech availability was not something that we could risk . We found 717 Home Comfort recommended on one of our local community pages & we were lucky enough that Derek had availability to come out within the hour. Thankfully it was a simple fix. Derek was very transparent from the start with pricing & there were no crazy extra fees. He was very friendly, personable, and professional.. He is now our go to HVAC guy, & I 1000000000% recommend!!"
Heat Pump Installation
Response time3 hrs
Response rate98%
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Heating and Air Conditioning questions, answered by experts

While your AC unit may still run even if its capacitor is going bad, doing so takes a lot more energy, so it can drive up your electric bill and cause further damage to your AC unit’s parts. If you suspect a bad capacitor, it’s important to have a professional diagnose and fix the problem before you continue to run your AC.

When your HVAC system is loud, a few different causes are possible. If you have loose connections or bolts in the hardware, they can rattle as the system runs and vibrates. If you have an extremely dirty furnace filter, it could cause the system to generate noise. More commonly, an excessively loud HVAC system indicates a malfunction in the system. You may have a blower motor that is close to failing or a compressor that is breaking down. These issues require an immediate inspection.

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.

Your central A/C unit should be professionally serviced and inspected at least once a year to ensure it operates properly and efficiently. This is best done before the peak cooling season. A full-service inspection by a qualified pro will typically include checking safety components for issues like carbon monoxide leaks, verifying cooling components and coolant levels, and inspecting electrical parts like fuses and wiring. Regular servicing enhances efficiency, mitigates potential problems, and maintains optimal performance. Because AC systems contain hazardous refrigerant, professional handling is essential.

A dirty AC filter can lower the efficiency of your system, so depending on how dirty it was, you may notice a temperature difference when you clean your filter. You can try other solutions if your AC isn’t blowing as cold as it used to. You can call in a local HVAC tech to make sure everything is running correctly, fix your air seal if it’s a window unit, and clean your coils.

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

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