HVAC in Indiana
Reach independent HVAC companies that serve Indiana. Compare quotes and hire only if it fits.
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Indiana has about 3 million homes, and half of them were built before 1976. Its counties span climate zones 4A and 5A; the most common is 4A (mixed, humid). Pick your city below for local housing facts, or read on for what applies statewide to heating and cooling work.
HVAC by city in Indiana
- Beverly Shores
- Boone Grove
- Cedar Lake
- Chesterton
- Crown Point
- Demotte
- Dyer
- East Chicago
- Gary
- Griffith
- Hammond
- Hanna
- Hebron
- Highland
- Hobart
- Kingsbury
- Kingsford Heights
- Kouts
- La Crosse
- La Porte
- Lake Station
- Lake Village
- Lowell
- Merrillville
- Michigan City
- Mill Creek
- Munster
- North Judson
- Portage
- Rolling Prairie
- Roselawn
- Saint John
- San Pierre
- Schererville
- Schneider
- Shelby
- Sumava Resorts
- Thayer
- Union Mills
- Valparaiso
- Wanatah
- Westville
- Wheatfield
- Wheeler
- Whiting
What Indiana homeowners should know about HVAC
The median home in Indiana was built in 1976, and about 55% were built before 1980. Many homes from this era still have their original ductwork. Leaky or undersized ducts can hold back a new system, so ask for a duct check with any replacement quote.
About 49% of Indiana's counties are in climate zone 4A (mixed, humid), based on the U.S. Department of Energy's county map. Heating carries most of the load here. If you are considering a heat pump, ask whether the model is rated for cold climates and how backup heat works. In a humid climate, ask how the system will control indoor humidity, not just temperature. Whatever the climate, ask for a room-by-room load calculation (ACCA Manual J) instead of matching the size of the old unit. Check your own county's zone, since conditions differ across the state.
About 59% of occupied homes in Indiana heat with utility gas and 31% with electricity, and 7% with propane. Many replacement quotes will involve a gas furnace or boiler; if you are thinking about switching to an electric heat pump, ask whether your electrical panel needs an upgrade.
About 73% of homes in Indiana are single-family houses, and about 71% of occupied homes are lived in by their owners.
Permits and contractor licensing in Indiana
Replacing a furnace, air conditioner or heat pump usually needs a mechanical permit and a final inspection. In Indiana, building permits are issued by cities and counties, so the rules depend on where the home is. Ask the company who pulls the permit, and keep a copy of it.
Most contractor licensing is handled by cities and counties; the state Professional Licensing Agency licenses plumbers. Ask your city or county building department which license applies, and ask the company for its license or registration number.
Questions to ask an HVAC company in Indiana
- Will you do a load calculation (ACCA Manual J) before recommending a size?
- What efficiency ratings (SEER2, HSPF2 or AFUE) does each option have?
- Who pulls the permit, and is the final inspection included?
- What warranty covers the equipment, and what covers your labor?
HVAC companies serving Indiana
Company profiles for Indiana are on the way. Call or send a request above and we will connect you with a company that serves your ZIP code.
HVAC in Indiana: questions
What climate zones are in Indiana?
Indiana's counties fall in IECC climate zones 4A and 5A; zone 4A (mixed, humid) is the most common, per the U.S. Department of Energy's county map.
How old are homes in Indiana?
Census estimates (ACS 2020-2024) put the median build year across Indiana at 1976, with about 55% of homes built before 1980.
Who licenses HVAC contractors in Indiana?
Most contractor licensing is handled by cities and counties; the state Professional Licensing Agency licenses plumbers. Ask for the company's license or registration number and look it up on the agency's website.
Do I need a permit for heating and cooling work in Indiana?
Replacing a furnace, air conditioner or heat pump usually needs a mechanical permit and a final inspection. In Indiana, permits are issued by cities and counties, so check with the building department where the home is.
How does Swupi work in Indiana?
Call or send a request with your ZIP code, and Swupi connects you with an independent HVAC company that serves your area. You agree on price and timing directly with that company.
Ready to talk to a local HVAC company in Indiana?
Homeowners pay nothing to use Swupi. We connect you with independent local pros; we are not a contractor. Calls may be recorded and connected to a service provider.
Rather not call? Send a request
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