HVAC

HVAC stands for heating, ventilation, and air conditioning, and it's essentially what keeps your home comfortable year-round. Whether you're troubleshooting a furnace that won't kick on, upgrading to a more efficient system, or scheduling routine maintenance, understanding your options makes all the difference. Angi helps you connect with local pros and provides the resources you need to make informed decisions about your home's climate control.

Related to HVAC

HVAC Articles and Advice
Deirdre Sullivan  •  May 18, 2026
Do HVAC Warranties Transfer to New Homeowners?
To avoid surprise repair costs, you need to figure out if HVAC warranties transfer to new homeowners after purchasing a home. This guide will explain what to look for and steps to take to benefit from your air conditioner’s warranty.
Breyden Kellam  •  May 18, 2026
Your Complete HVAC Maintenance Checklist
Maintaining your HVAC will help you avoid downtime on hot and cold days. Complete this HVAC maintenance checklist and keep things running smoothly.
C.E. Larusso  •  May 5, 2026
7 Tips to Hire the Right Furnace Repair or Duct Cleaning Company
To repair your broken furnace or clean your ducts, call an experienced HVAC technician. Learn how to find and hire the best professional for the job.
Conroy Baltimore  •  May 5, 2026
Air Conditioner and HVAC Brand Comparison Guide
Need to buy a new HVAC system? Before you do, check out this HVAC list so you can compare brands and decide what’s best for your home. From energy efficiency to SEER ratings, we’re comparing popular air conditioning brands and their features.
Breyden Kellam  •  May 5, 2026
Heat Pump vs. Furnace: Which Heating System Is Best For Your Home?
Beat winter’s chill by comparing whether a heat pump vs. a furnace is the best heating system for your home. Cost, lifespan, and other factors come into play.
Dan Simms  •  May 5, 2026
Did I Receive an Improper HVAC Installation?
If you recently had a new HVAC system installed but are seeing high energy bills or uncomfortable living spaces, something might have been done incorrectly.
Jacqueline DeMarco  •  May 5, 2026
What Is NATE Certification? Do HVAC Technicians Need One? What Homeowners Should Know
What is NATE certification and why does it matter to homeowners? Keep reading to learn why this standard for HVAC professionals matters.
Kat Brancato  •  May 3, 2026
HVAC Zoning System: Is It Right for My Home?
An HVAC zoning system makes your home more comfortable. Learn about installing a zone system, including HVAC zoning system costs and considerations.
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Common HVAC Questions

BTUs, or British Thermal Units, measure the amount of heat needed to increase a pound of water’s temperature by 1 degree Fahrenheit. In HVAC, tonnage refers to a system’s ability to cool a space by removing heat, and it is dependent on how many BTUs your unit absorbs and removes per hour.

The average cost for HVAC repairs is approximately $350. However, prices can range from as low as $100 to as high as $3,000 or more, depending on the type of repair and the extent of the damage. For example, a relatively inexpensive capacitor replacement may cost $100 to $500, while a major compressor repair can range from $750 to $2,000. Other common repairs and their typical costs include:

  • Blower motor repair: $200–$500

  • Circuit board repairs: $100–$600

  • Evaporator or condenser coil repair: $400–$1,500

  • Heat exchanger repair: $100–$200

  • Thermostat repair: $175

A new HVAC system combines components to control indoor temperature and air quality. Features include a furnace or heat pump and an air conditioner or evaporator coil, depending on the climate requirements. It also involves a network of ductwork for air distribution, a thermostat for temperature regulation, and electrical connections. Air purifiers or humidifiers can be integrated to improve indoor air quality.

During heating and cooling service projects, several hidden or unexpected costs can arise. Common expenses include permit and inspection fees, upgrading outdated electrical panels, and repairing, replacing, or modifying aging ductwork. In older homes, you might also face costs for asbestos abatement or addressing outdated wiring. Other potential expenses involve bringing systems up to current building codes, making energy efficiency improvements, or fixing issues discovered during inspection, such as refrigerant leaks. Depending on the project's scope, you might also need foundation or chimney modifications. Local factors, like weather-related delays, can also impact the budget, as can the need for emergency HVAC solutions.

Yes, professional installations include trenching or borehole drilling required for ground loops.