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Best HVAC & Furnace Repair Services in Gary, IN

Our Recommended Top 13

We did the research for you!

  • Licensing
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Our goal is to connect people with the best local professionals. We scored Gary HVAC & Furnace Repair Services on more than 25 variables across five categories, and analyzed the results to give you a hand-picked list of the best.

30Reviewed

23Curated

13Top Picks

Learn about our selection process.

Providers

featured provider = Featured Provider

403 S Calumet Rd, Chesterton, IN 46304

Expertise.com Rating

Review Sources

Facebook
4.4 (19)
Angi
5.0 (3)
Yelp
5.0 (1)

Why choose this provider?

Buck's Heating & Air is an HVAC contractor near Gary that offers 24/7 emergency heating and cooling services for homes and businesses throughout Northwest Indiana. It sells and installs a variety of HVAC systems, including gas furnaces, geothermal units, and ductless air conditioners from American Standard and Mitsubishi. For the customer's convenience, the company provides annual maintenance services to keep systems running smoothly and includes repair discounts. Buck's Heating & Air also installs tankless water heaters, air cleaners, and humidifiers.

  • Air Conditioning
  • Furnaces
  • Tune Up

2817 Highway Avenue, Highland, IN 46322

Expertise.com Rating

Review Sources

Google
4.8 (421)
Angi
4.8 (93)
Facebook
5.0 (22)

Why choose this provider?

Serving customers for over three decades, Siemer Heating & Cooling is a professional HVAC business offering air conditioner repair services near Gary. All technicians are NATE-certified, and the business is fully licensed and insured. Emergency services are provided 24/7, and the company's standard services include central air conditioning installations and maintenance, ductless HVAC installs and repairs, furnace and heating system inspections, repairs, and installations, thermostat repair and Wi-Fi thermostat installations, and indoor air quality assessments.

  • Air Conditioning
  • Boilers
  • 24/7

10416 West 400 North, Michigan City, IN 46360

Expertise.com Rating

Review Sources

Facebook
5.0 (30)
Yelp
3.5 (5)

Why choose this provider?

Michiana Mechanical is a family owned business that's been providing HVAC services to homeowners near Gary since 1995. Its experts install and repair gas, electric, and air forced furnaces as well as hot water boilers and central air conditioners. They provide preventative services, including comprehensive HVAC cleaning to curb the risk of system breakdowns. The staff mounts multiple indoor air quality products such as dehumidifiers and air cleaners and offers duct sealing and cleaning services. Michiana Mechanical's specialists are NATE certified.

  • Air Conditioning
  • Furnaces
  • Thermostats

8608 Mississippi St, Merrillville, IN 46410

Expertise.com Rating

Review Sources

Google
4.3 (11)

Why choose this provider?

FSM Comfort Solutions has served residential and commercial customers near Gary with HVAC services for over 30 years. The skilled employees handle the installation and modification of cooling and heating systems. They repair HVAC units and their components, including air cleaners and furnaces as well as bypass, powered, and steam humidifiers. They also develop maintenance agreements entailing personalized preventative plans to minimize system failures and unexpected repairs. FSM Comfort Solutions' NATE-certified technicians offer 24-hour emergency services.

  • Air Conditioning
  • Furnaces
  • Trane

PO Box 195, Crown Point, IN 46308

Expertise.com Rating

Review Sources

Facebook
5.0 (49)

Why choose this provider?

Royal Heating and Air Conditioning is a licensed, bonded, and insured HVAC company with over 27 years' experience serving homeowners throughout the area. Its certified professionals provide air conditioning repair services near Gary for most major brand and model units. The technicians handle a wide range of repairs, such as systems blowing warm air and running constantly. Royal Heating and Air Conditioning is an energy star certified contractor and certified Trane and Goodman dealers that also offer 24/7 emergency services.

  • Air Conditioning
  • Tune Up
  • Carrier

7924 Independence Street, Merrillville, IN 46410

Expertise.com Rating

Review Sources

Facebook
5.0 (41)

Why choose this provider?

AAA Services Inc. is an HVAC and Plumbing contractor that provides residential and commercial customer with air conditioner installation services near Gary. The company employs NATE-certified technicians, and it offers 24/7 emergency services. In addition to AC installs, HVAC services include furnace and heater installations, thermostat repairs, air conditioner repairs, HVAC system inspections and troubleshooting, geothermal system installations, and indoor air quality testing and solutions. The company offers seasonal maintenance programs, and it is EPA-certified.

  • Air Conditioning
  • Furnaces
  • 24/7

350 Indiana 130, Hobart, IN 46342

Expertise.com Rating

Review Sources

Facebook
5.0 (35)
Yelp
5.0 (3)

Why choose this provider?

Founded in 2007, RussCo Heating and Cooling provides residential and commercial HVAC services in the Gary area. Its experts work on the installation and servicing of furnaces, air conditioners and cleaners, humidifiers, and ductless systems. They offer routine maintenance services through its preventative maintenance program, which involves comprehensive HVAC system cleaning. RussCo Heating and Cooling deals with air filters as well as ductwork replacement and servicing to prevent poor air quality in buildings.

  • Air Conditioning
  • Furnaces

570 E Oak Hill Rd Porter, IN 46304, Porter, IN 46304

Expertise.com Rating

Review Sources

Facebook
5.0 (23)
Yelp
4.0 (4)
Angi
5.0 (3)

Why choose this provider?

Founded in 2010, All Aspects Heating & Cooling is an HVAC contractor serving homeowners in the Gary area. Its technicians deliver air conditioner and gas and electric furnace installation and maintenance services. They diagnose operation and structural problems of the systems and components, including boilers, dryer vents, media cabinets, electronic air cleaners, and UV lights. Additional services include ductwork fabrication and cleaning and zoning adjustments. All Aspects Heating & Cooling is available 24/7 for emergency HVAC services.

  • Air Conditioning
  • Furnaces
  • Boilers

519 West US Highway 30, Valparaiso, IN 46385

Expertise.com Rating

Review Sources

Facebook
5.0 (44)
Yelp
2.5 (3)

Why choose this provider?

Total Comfort is a full-service HVAC contractor that offers 24/7 emergency assistance and standard air conditioning repair services near Gary. The company's technicians provide no-contact service calls, and they are extensively trained in HVAC technologies and equipment. Additional services provided include air conditioner maintenance and installations, ductless HVAC system repairs, installations, and inspections, thermostat installations and repairs, and indoor air quality solutions such as UV lamp and whole home humidifier installs.

  • Air Conditioning
  • Furnaces
  • Boilers

401 E Monitor St, Crown Point, IN 46307

Expertise.com Rating

Review Sources

Google
4.8 (21)
Yelp
5.0 (3)
Facebook
5.0 (2)

Why choose this provider?

Morgan Mechanical Systems Inc. is available to serve residential or commercial clients that need air conditioner repair services near Gary. This company has been serving clients since 1982 and has a lot of experience with HVAC installation contracts as well as large-scale maintenance operations. Its technicians are able to accommodate all makes and models of appliances, and they offer emergency services to address any spontaneous issues. Morgan Mechanical Systems Inc. can help with refrigeration, thermostats, and humidifiers too.

  • Air Conditioning
  • Furnaces
  • Thermostats

5348 Central Avenue, Portage, IN 46368

Expertise.com Rating

Review Sources

Facebook
4.9 (32)

Why choose this provider?

Sub-Cooled LLC offers air conditioning repair services near Gary, and it provides 24/7 assistance for HVAC emergencies. Additional services include furnace, boiler, and air conditioner installations, gas furnace repairs, ductless heating and cooling system repairs and installs, ductwork repairs, standalone hanging heater installations and repairs, and heat pump installs and repairs. The business is family-owned and operated, and its technicians are trained to service most major brands, makes, and models of HVAC equipment.

  • Air Conditioning
  • Furnaces
  • 24/7

10769 Broadway, Crown Point, IN 46307

Expertise.com Rating

Review Sources

Angi
5.0 (3)
Yelp
5.0 (1)

Why choose this provider?

EDCO Environmental Services Inc. has been helping home and business owners since 1995 and its technicians have over 100 years of experience shared between them. It assists with every facet of HVAC needs, installing heating and cooling appliances and servicing them to keep them running smoothly. It's also available to help with indoor air quality needs by installing air purification equipment and servicing existing filters and vents. Commercial refrigeration services are offered as well.

  • Air Conditioning
  • Furnaces
  • Carrier

213 7th Street Southwest, De Motte, IN 46310

Expertise.com Rating

Review Sources

Google
4.5 (101)
Yelp
1.0 (1)

Why choose this provider?

Krooswyk Plumbing, Heating, & Air Conditioning is a company near Gary with decades of experience in the heating, cooling, air quality, and plumbing industry. It custom designs, installs, and repairs all makes and models of boilers, gas furnaces, heat pumps, air conditioners, and ductless mini-split systems that suits a customer's home or business. The company services energy-efficient tanked or tankless hot water heaters manufactured by Navien. In addition to repiping services, Krooswyk Plumbing installs UV lights, air cleaners, and humidifiers.

  • Air Conditioning
  • Furnaces
  • Thermostats

Compare our Top HVAC & Furnace Repair Services

NameExpertise RatingAddressPromotionsLearn more
Buck's Heating & Air
403 S Calumet Rd, Chesterton, IN 46304
Siemer Heating & Cooling
2817 Highway Avenue, Highland, IN 46322
Michiana Mechanical
10416 West 400 North, Michigan City, IN 46360
FSM Comfort Solutions
8608 Mississippi St, Merrillville, IN 46410
Royal Heating and Air Conditioning
PO Box 195, Crown Point, IN 46308
AAA Services, Inc
7924 Independence Street, Merrillville, IN 46410
RussCo Heating and Cooling
350 Indiana 130, Hobart, IN 46342
All Aspects Heating & Cooling
570 E Oak Hill Rd Porter, IN 46304, Porter, IN 46304
Total Comfort
519 West US Highway 30, Valparaiso, IN 46385
Morgan Mechanical Systems, Inc.
401 E Monitor St, Crown Point, IN 46307
Sub-Cooled LLC
5348 Central Avenue, Portage, IN 46368
EDCO Environmental Services Inc.
10769 Broadway, Crown Point, IN 46307
Krooswyk Plumbing, Heating & Air Conditioning
213 7th Street Southwest, De Motte, IN 46310

FAQs

  • How do residential HVAC systems work?

    Central HVAC systems use ductwork and mechanical blowers to deliver heating and cooling across a home’s primary living areas. Refrigerant-based systems, such as heat pumps and air conditioners, use pressurized gas that raises or lowers the temperature by absorbing heat. Their principal components include the evaporator coil, compressor, condenser coil, and blower. Furnaces generate heat by burning fuel, such as oil, propane, or natural gas. Energy from the burners is captured by a heat exchanger, and a flue exhausts combustion byproducts outdoors. Nowadays, homeowners can choose between dual-fuel systems, ductless heat pumps, and variable-speed models that provide enhanced comfort and efficiency.

  • How often do I need to schedule HVAC service for my system?

    Central heating and cooling systems should be serviced annually in the spring and fall. Air conditioners should be inspected every spring; furnaces should be tuned up in the fall, and heat pumps need to be serviced twice per year. Scheduling maintenance early in the season can help homeowners prevent breakdowns and avoid the rush.

  • Why do HVAC systems need regular maintenance?

    Preventive maintenance for HVAC equipment is just as important as an oil change for a car. Regular service visits increase the system’s efficiency, prevent unnecessary wear and tear, and detect problems before they worsen. For optimal results, technicians inspect all electrical and mechanical components. This type of maintenance extends the system’s lifespan, prevents safety hazards, and helps homeowners enjoy long- and short-term savings.

  • What’s the best way to care for an HVAC system in a multifamily investment property?

    HVAC maintenance helps landlords retain quality tenants and control their ownership costs. For best results, centralized and decentralized heating and cooling systems should be serviced in the spring and fall. Technicians can lubricate moving parts, measure refrigerant levels, clean the coils, and check the belts and bearings. Landlords should also consider supplying new air filters to tenants to prevent unnecessary wear and tear, and unit breakdowns related to restricted airflow.

  • What are the signs of a broken HVAC system?

    Heating and cooling systems contain hundreds of parts, which means that almost anything can go wrong. Some warning signs are obvious. For example, if the air conditioner is blowing hot air or if the furnace won’t shut off, it’s time to call a professional. Other malfunctions can cause subtle decreases in comfort and efficiency. Regardless of the problem, responding quickly is generally the best way to avoid more significant repairs and expenses. Homeowners can protect themselves by recognizing the following warning signs:

    • Unusually high energy bills
    • Excessive mechanical noise
    • Starting difficulties
    • Sudden shutdowns
    • Continuous airflow
    • Temperature imbalances
    • High humidity
    • Unpleasant odors
    • Ice buildup on the coils
    • Leaks or water damage

  • Does a home warranty cover HVAC repairs?

    Yes, many home warranty companies pay for HVAC repairs. This type of coverage may be standard or included as an optional add-on. In most cases, homeowners are responsible for an initial service fee. If the unit cannot be repaired, the company may pay for a replacement.

  • Will replacing the HVAC system increase my home’s value?

    While most homeowners only recoup 35% to 50% of their installation costs, a new HVAC system can be a major selling point that attracts potential buyers and results in a faster sale. The benefits depend on the local climate, the type of market, and the condition of the existing system. Aging or poorly maintained equipment may encourage buyers to submit lower offers, especially if problems are revealed during an inspection.