10 Best HVAC Companies in Allegheny, PA

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Last Updated: February 25, 2025

If you're like the typical American homeowner, more than half of your energy bill (55%, according to the U.S. Department of Energy) goes toward heating and cooling your home. You want your Allegheny home to be comfortable, but you also don't want to waste your money on ineffective heating and cooling.

Our guide to the top HVAC companies in Allegheny can help you save money by getting your HVAC system repaired, installed or replaced for a fair price by a skilled worker.

Top 10 Best HVAC Companies in Allegheny

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Air Systems Mechanical

Air Systems Mechanical Logo

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427 Constitution Blvd, New Brighton, PA 15066 (724) 774-9030 airsystemsmechanical.com

Informative resources

Reliable customer support

Free quotes

Prompt service delivery

Clear pricing policy

Services Offered

Emergency services
Boiler installation
Duct cleaning
Ductless
Ac installation
Indoor air quality
Inspection
Zoning systems
Maintenance
Ac repair
Furnace installation

Homer Nine and Sons, Inc.

Homer Nine and Sons, Inc. Logo

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415 Mulberry St, Beaver, PA 15009 (724) 241-8698 homer9.com

Clear pricing policy

Reliable customer support

Informative resources

Free quotes

Services Offered

Inspection
Ac repair
Duct cleaning
Emergency services
Ac installation
Maintenance
Indoor air quality
Filtration
Furnace installation
Ductless
Boiler installation
Furnace repair

One Hour Heating & Air Conditioning®

One Hour Heating & Air Conditioning® Logo

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172 Unionville Rd, Butler, PA 16001 (724) 204-1071 onehourheatandair.com

Informative resources

Free quotes

Prompt service delivery

Clear pricing policy

Services Offered

Indoor air quality
Ac installation
Boiler installation
Furnace installation
Filtration
Ductless
Duct cleaning
Furnace repair
Maintenance
Ventilation
Emergency services
Ac repair

Donahue's Heating & Cooling

Donahue's Heating & Cooling Logo

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535 Rugh St, Greensburg, PA 15601 (724) 834-9178 donahues-inc.com

Prompt service delivery

Free quotes

Clear pricing policy

Reliable customer support

Services Offered

Ductless
Maintenance
Indoor air quality
Duct cleaning
Emergency services
Boiler installation
Furnace installation
Furnace repair
Ac repair
Inspection
Ac installation

One Hour Heating & Air

One Hour Heating & Air Logo

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5330 Progress Blvd, Bethel Park, PA 15102 (412) 831-1922 onehourheatandair.com

Informative resources

Free quotes

Clear pricing policy

Reliable customer support

Prompt service delivery

Services Offered

Ventilation
Emergency services
Filtration
Ac repair
Furnace repair
Maintenance
Furnace installation
Ac installation
Indoor air quality

Wade Heating, Cooling & Geothermal

Wade Heating, Cooling & Geothermal Logo

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960 Riverside Pl, Leetsdale, PA 15056 (412) 799-9817 always70wade.com

Informative resources

Reliable customer support

Free quotes

Clear pricing policy

Services Offered

Boiler installation
Boiler repair
Furnace installation
Ac repair
Filtration
Indoor air quality
Ductless
Maintenance
Furnace repair
Emergency services
Ac installation

Gary & Sons, Inc.

Gary & Sons, Inc. Logo

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482 Beechtree Rd, Falls Creek, PA 15840 (814) 371-4885 garysinc.com

Informative resources

Free quotes

Prompt service delivery

Reliable customer support

Services Offered

Duct cleaning
Ductless
Ac repair
Ventilation
Maintenance
Boiler installation
Furnace installation
Emergency services
Filtration
Ac installation
Indoor air quality

J.A. Sauer, Co. Heating & Air Conditioning

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4559 Peoples Rd, Pittsburgh, PA 15237 (412) 499-3770 jasauerco.com

Reliable customer support

Free quotes

Informative resources

Services Offered

Ac repair
Maintenance
Ac installation
Emergency services
Boiler installation
Indoor air quality
Inspection
Furnace repair
Ductless
Radiant heating
Furnace installation

Staab & Sons, Inc.

Staab & Sons, Inc. Logo

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1921 Saw Mill Run Blvd, Pittsburgh, PA 15210 (412) 881-6100 staabheating.com

Prompt service delivery

Free quotes

Reliable customer support

Clear pricing policy

Services Offered

Radiant heating
Ac repair
Furnace repair
Ac installation
Emergency services
Boiler installation
Furnace installation
Maintenance
Ventilation
Ductless

Custom Comfort Systems Inc

Custom Comfort Systems Inc Logo

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44725 OH-14, Columbiana, OH 44408 (330) 482-2665 customcomfortsystems.net

Informative resources

Free quotes

Clear pricing policy

Prompt service delivery

Services Offered

Ac installation
Boiler installation
Ac repair
Maintenance
Ductless
Indoor air quality
Emergency services
Smart home integration
Radiant heating
Furnace installation
Duct cleaning
Today's Homeowner Ranking Methodology

Today's Homeowner looks at dozens of datapoints on hvac companies to come up with our data-driven rankings. It's not possible for a company to pay for preferential treatment in our rankings. We look at the following key factors in determining who should top our list:

  • Company Experience
  • Real User Reviews
  • Company Reputation
  • Accreditations and Licenses
  • Service Area
  • Customer Service
Have questions about our methodology or company ratings? Reach out to FindAPro@TodaysHomeowner.com.

Signs You May Need HVAC Repair or Replacement

If your HVAC system is faulty or getting old, it likely needs servicing or replacement from an HVAC company. Watch for these signs your system needs service:

  • Thermostat malfunctions or temperature control issues
  • Rust, corrosion, or cracking
  • Frequent breakdowns and need for repairs
  • Uneven heating/cooling or poor air circulation
  • Strange noises when turning on
  • Refrigerant leaks
  • Unusually high energy bills
  • An HVAC system that's over 15 years old

These HVAC red flags indicate that you should have your system evaluated. A local company can complete an inspection, diagnose problems, and advise you whether you should repair or replace your HVAC unit.

Cost of HVAC Installation and Maintenance in Allegheny

What you pay for HVAC installation or maintenance is determined by your system type. Common HVAC unit styles include the following:

  • Split or mini-split: If your home doesn’t have the ductwork for central heating and cooling, you probably have a split or mini-split system instead. Split HVAC systems have internal units in each room to manage temperature. These connect to an outdoor unit.
  • Hybrid split: A hybrid split HVAC system operates similar to a normal split system, but has the benefit of being able to draw power from either gas or electric sources.
  • Heat pump: Heat pumps exchange hot and cold air between your house and the outdoors. They don't create their own heating and cooling, so they work more efficiently in more moderate climates.
  • Packaged heating and air: Packaged HVAC systems work well in smaller homes. They consist of a single combined air conditioner and heating unit, usually located in an attic or basement. This unit is typically compact, cost-effective, and straightforward to maintain.

HVAC maintenance prices vary based on the work needed. HVAC systems are complicated and may need multiple types of maintenance. Costs for common jobs are as follows:

HVAC Unit TypeCost
Split$1,794-$4,574
Hybrid Split$3,636-$6,698
Heat Pump$2,815-$28,684
Packaged Heating and Air$236-$393

Ways to Save Money on HVAC Costs

HVAC system repairs and replacements are important, but can be pricey. Luckily, there are steps homeowners can take to reduce wear and tear on their system and lower future maintenance needs.

  • Monitor for potential problems. Keep an eye on your system for issues, for example by consistently checking your thermostat and energy bills. This helps you address issues before they get out of hand.
  • Change filters regularly. Changing or cleaning your air filters every 1–3 months helps air flow smoothly through your HVAC system. You should also try to prevent dirt and debris from building up around the outdoor sections of your system.
  • Keep your system clean. Regularly cleaning indoor evaporator coil, condenser fan blades, grills, and ductwork helps your HVAC system run efficiently and reduces the risk of mold. The National Air Duct Cleaners Association advises cleaning your heating and cooling system when it starts to look dirty.
  • Change the position of your blinds seasonally. Leaving your blinds open during the winter allows passive solar heating to warm your home. Closing the blinds in warmer seasons helps prevent some heat from getting inside. Doing both helps minimize the demand on your HVAC.
ServiceCost
Filter Replacement$59-$157
Condensor Cleaning$1,178-$3,533
Thermostat Repair$79-$196
Ductwork Cleaning$377-$942

How To Choose a Local HVAC Company

Knowing the indicators of a reliable HVAC company is key for a smooth installation or repair. Established providers with certified technicians can offer assurance your HVAC system will deliver consistent coolig and heating year-round.

Compare Multiple Bids

Contact at least three HVAC providers for quotes. Describe the issues and have specialists visit to inspect your system if possible. Compare the contractors' explanations, solutions, estimated costs, timeframes, and warranties. Avoid companies that pressure you or demand payment upfront.

Check Credentials

Look for an HVAC company that employs skilled technicians who have the necessary training and licenses. HVAC contractors in all states need to obtain a Section 608 Technician Certification from the Environmental Protection Agency (EPA). This certification is mandatory for all technicians who "maintain, service, repair or dispose of equipment that could release refrigerants into the atmosphere." An individual must pass an exam (the type of exam depends on what kind of equipment they intend to work with) to be certified by the EPA. All other licensing requirements are handled by the state.

There are no state-level requirements for general HVAC licensing in Pennsylvania; however, there may be local licensing requirements or certifications required to work on specific projects. You can also confirm whether a contracting company has a valid Pennsylvania business license. Reviewing feedback on Google Reviews, the Better Business Bureau (BBB), Yelp, and similar sites can help your decision as well. Choose a provider with great reviews and stories of positive customer experiences.

Understand Work Details

Make sure you understand the details of any project before it begins. When getting HVAC repairs, have your provider specify which parts need replacement and why. Confirm that your technician will clean and test your system after the repair to verify that everything works. For replacement, ask the contractor to explain the new HVAC system estimated installation time, model, energy efficiency, features, and brand. Before signing a contract, you should understand how your provider will size the system appropriately for your home and the price you'll pay.

Compare Warranties

Good HVAC companies offer warranties on repairs and installations. The more complete the coverage, the better. Review warranty details between providers and pick the one that offers the most comprehensive protection for a fair price.

Get Quote in Writing

Always get quotes for HVAC service in writing before committing to a provider. An itemized quote should cover both labor and materials. Make sure you agree to all terms before signing a contract.

Frequently Asked Questions About HVAC in Allegheny, PA

You should have your HVAC system inspected approximately twice a year. After completing their inspection, your technician will inform you what services are required. You should also schedule an inspection if you notice new issues such as strange noises, leaks, or unusual smells. If your home has ductwork, it should be inspected every few years.

Normally, it's smart to schedule inspections in the spring and fall, as these times tend to be less busy. This also helps make sure your system is prepared for the summer and winter, when it typically sees the most use.

You can save energy throughout the year by making it easier for your HVAC system to maintain the temperature of your home. During all seasons, keep your thermostat as close to the outside temperature as you can, and try to adjust it only a few degrees at a time. You might also consider purchasing a smart thermostat.

Generally, HVAC installation or replacement takes between one and three days for the entire system. Installing or replacing an air conditioning unit or a furnace takes anywhere from about half a day up to two days. The exact amount of time will be based on things like how large your home is, how easily accessible different areas are, and whether your technician discovers any problems.

For a 2,000-square-foot home, try to purchase a furnace that's between 50,000 and 80,000 BTUs (British thermal units).

For a 2,000-square-foot home, you'll also want to purchase an air conditioning unit with between 2.5 and 5 tons of capacity. In general, if your home is over 1,000 square feet, central air will be more effective than window air conditioning units.

Your HVAC company may offer financing options through a third-party lender, or you might choose to obtain your own loan. It's a good idea to discuss payment options with your HVAC company and a financial advisor to make sure that you find the best option for you.

There are several ways you can make your HVAC system more energy-efficient:

  • Make sure your air ducts remain clean, and clean or change your air filters regularly.
  • Schedule regular inspections to take care of issues as they arise.
  • Keep your attic well-ventilated and make sure all doors and windows are well-sealed.
  • Install a smart thermostat. If you don't want to or can't buy one, try keeping the temperature indoors as close to the outside temperature as you can.
  • When you need to replace part of your system, explore Energy Star-certified or other environmentally friendly options.

Other Allegheny, PA Home Services

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