Masters Heating & Cooling has provided HVAC and plumbing services to Indianapolis home and business owners since 1980 and is ready to take on your project. Whether your heater or air conditioner is making weird sounds or your office’s air quality could be better, we’ve got you covered!
If you’re looking for a team of professional HVAC and plumbing technicians available day or night, call Masters Heating & Cooling to schedule service.

Heating
If you’re a homeowner in Indianapolis, you’ve got Masters Heating & Cooling ready 24/7 for emergency heating services. A broken boiler or furnace is a serious issue, especially in Indy’s frigid winters. It can lead to frozen and burst pipes, structural damage to your home, and significant discomfort or even displacement if your indoor temperature drops too low.
We proudly offer these heating services:
- Heater installation and replacement: We’re a Carrier Customer Specialist team, meaning we install top-of-the-line Carrier heating systems in residential and commercial properties.
- Heater repair: We specialize in fixing and upgrading gas and electric furnaces, boilers, heat pumps, and geothermal systems. We offer emergency and same-day repair.
- Heater maintenance: Our Energy Savings Agreement includes annual tune-ups, priority service, and discounts.
- Commercial heating services: We’ve got Indianapolis businesses covered. We offer efficient heating solutions, including installation, repair, and maintenance, so you can get back to business.
Cooling
Is your air conditioner working too hard, costing more money than ever, but still not keeping your home cool enough? It may need repairs or a more energy-efficient replacement. Masters Heating & Cooling installs and services traditional duct AC systems and ductless mini-splits to our friends and neighbors in Indianapolis.
Our air conditioner services include:
- Air conditioner installation and replacement: We ensure you have the best AC for your home’s needs, focusing on installing energy-efficient solutions with a 100% satisfaction guarantee.
- Air conditioner repair: Our HVAC technicians handle electrical, fan, airflow, duct, filter, drainage, refrigerant, and compressor issues in all cooling systems.
- Air conditioner maintenance: We provide filter replacement, debris cleaning, and vegetation management to ensure the longevity of your AC units.
- Commercial cooling services: Our commercial customers can expect 24/7 emergency repairs, customized maintenance plans, and the installation of high-quality Carrier systems, all to make sure your business is comfortable to those in it.
Air Quality
Your home is your safe haven, so why not improve the air quality inside your home? Air purifiers can eliminate dust and other particles in the air, while UV purifiers kill bacteria and viruses.
Systems we service include:
- Air cleaners: We offer a range of air filtration products, including the highly efficient Honeywell line, with various sizes and MERV ratings to improve indoor air quality by filtering out airborne contaminants like dust, pollen, and bacteria.
- Humidifiers: We install whole-home humidifiers to provide consistent and efficient humidification throughout your home. This helps maintain ideal humidity levels, improves indoor air quality, protects your home furnishings, and reduces heating costs.
- Dehumidifiers: Does your home feel damp or musty? You may need a whole-home dehumidifier. They control indoor humidity, prevent mold growth, and inhibit wood damage.
- UV light purifiers: We proudly install Carrier’s Infinity® and RMAP purifiers, which feature Capture & Kills® technology to significantly reduce airborne pathogens and allergens.
Expert Plumbing
Masters Heating & Cooling offers dependable, high-quality plumbing services, handling your plumbing issues, installations, and maintenance. Our water heater installers are certified technicians who install quality brands like American Standard and Moen.
Our plumbing services include:
- Traditional water heater services: We install and replace traditional storage tank water heaters, both gas and electric, and provide repair and maintenance services.
- Tankless water heater services: Upgrade to an energy-efficient tankless water heater to experience hot water on demand and lower energy costs.
- Plumbing fixture installation and repair: We’re contractors’ favorite installer! We install plumbing fixtures in new construction and upgrade fixtures in pre-existing homes.
- Commercial plumbing: Whether it’s an office, healthcare facility, restaurant, or other business, we fix all commercial plumbing issues in Indianapolis.
Why Choose Masters Heating & Cooling in Indianapolis, IN?
If you’re looking for HVAC or plumbing technicians in Indianapolis, Masters Heating & Cooling is here to take care of your home or business 24/7 with emergency repair and installation services. Our technicians are licensed, insured, and NATE-certified. Every service comes with a 100% satisfaction guarantee.
We offer free estimates on replacement quotes, upfront pricing, and flexible financing options. We’re the ones to call when you’re experiencing an issue with your HVAC or plumbing.
Whether you need HVAC, air quality, or plumbing services, the pros at Masters Heating & Cooling are available 24/7 for your home or business. Contact us anytime to schedule any service online.
Recent Jobs and Reviews in Indianapolis, IN
Job Locations and Reviews
Performed routine heating maintenance on boiler system. Inspected Amtrol expansion tank and associated copper piping connections for proper operation and pressure. Examined circulation pump for functionality, noting minor mineral buildup at brass valve connection points that did not affect performance.
Responded to customer complaint of non-functioning humidifier. Performed diagnostic inspection of HVAC system, examining ductwork in the crawlspace/basement area and checking water heater connections. Identified issues with the humidifier system and advised customer on necessary repairs.
Responded to no heat complaint for upstairs furnace with non-functioning auxiliary heat. Diagnosed electrical issue in the blower motor assembly. Rewired and reconnected the damaged harness connector to restore proper electrical connections to the motor terminal block. Successfully restored heat functionality to both main and auxiliary heating systems.
Completed furnace tune-up service on two systems. Performed temperature diagnostics on ductwork, recording supply air temperature at 75.2°F and equipment surface temperature at 589°F. Inspected ductwork in crawl space accessible from basement as requested by customer.
Responded to customer complaint of furnace malfunction following recent maintenance. Inspected system and found thermostat was functional, displaying proper temperature readings (69°F indoor, 32°F outdoor) with 39% humidity. Verified heating system was operational with fan running and thermostat properly set to heat mode at 67°F.
Performed annual tune-up on 9-year-old furnace system. Inspected blower assembly and confirmed proper condition of fan wheel components. Conducted electrical testing with clamp meter, measuring current draw at 5.17 amps, which is within normal operating parameters.
Performed site assessment for full system replacement following prior repair quote. Existing outdoor unit shows significant age with snow accumulation affecting performance. Current installation on deck requires evaluation for proper replacement positioning. Recommended complete HVAC system replacement due to condition of equipment and potential efficiency concerns.
Responded to no-heat call for commercial hanging heater. Upon inspection, identified blown fuse on control board. Replaced fuse, tested system operation, and verified proper heating function restored. Unit is now operating normally.
Completed quoted repairs for HVAC system that was not cooling properly. Temperature readings showed significant discrepancy between thermostat setting and actual room temperature (41°F indoor reading on thermostat while actual supply air temperature measured at 9.19°F). Adjusted thermostat calibration and verified proper system operation before completing service.
Performed scheduled heating maintenance on two systems. Inspected Aprilaire air purifier/humidifier mounted on ductwork and verified operation of attached temperature monitoring device. Systems were functioning within normal parameters after service completion.
Performed warranty inspection on customer's heating system and documented extensive rust and corrosion affecting the heat exchanger and burner assembly. Photographic evidence shows severe deterioration of metal components, including manifold plate with four circular openings and connecting cylindrical components, indicating potential safety hazards and need for replacement.
Diagnosed sanctuary heating issue where temperature was limited to 58°F. Verified boilers were operational with proper hot water flow to blower coils, but identified cold return from coils indicating possible air lock in the system. Temperature readings confirmed discrepancy between supply (120-130°F) and return (346°F) temperatures, suggesting circulation problems.
Performed diagnostic assessment on aging boiler system with multiple zone heating issues. Inspected copper piping infrastructure, control valves, and electronic zone control units. Evaluated thermostat functionality and confirmed partial operation of the system. Advised customer that while temporary adjustments were made to improve performance, full system replacement is recommended due to extensive wear and deterioration.
Conducted site assessment for potential HVAC system replacement at customer's request. Inspected existing Trane outdoor condensing unit installed on concrete pad and evaluated electrical service panel to determine compatibility with replacement options. Documentation completed for quote preparation.
Performed comprehensive maintenance on 2023 heating system for new customer. Conducted temperature readings (87.9°F) and electrical diagnostics showing 19.1 Amps AC draw on equipment. Customer enrolled in maintenance plan after expressing dissatisfaction with previous service provider.
Responded to customer concern of furnace emitting hot smell. Conducted diagnostic inspection of electrical components, examining wiring connections at terminal blocks and relay assembly. All electrical connections were found intact with proper installation; no damage observed to components or wiring insulation despite minor wear.
Responded to no heat call at customer's residence. Diagnosed failed inducer motor as evidenced by low amperage reading of 0.3 Amps AC on Fluke 902FC meter. Removed and replaced inducer motor assembly, then verified proper system operation before completing service.
Responded to customer complaint of no heat with error code displayed on thermostat. Diagnostic testing revealed gas pressure measuring 0.29" WC, significantly below manufacturer specifications. Adjusted gas pressure to proper levels and verified proper operation of the Honeywell thermostat, confirming heat cycle is now functioning normally.
Responded to customer complaint of popping noise during furnace startup and shutdown cycles. Inspected heat exchanger components and found normal operation despite the noise. Checked thermostat settings (Honeywell, set to 81°F) and verified proper heating function. Explained to customer that occasional popping sounds can occur from normal thermal expansion but system is operating safely.
Performed diagnostic testing on HVAC system using digital analyzer, confirming proper sensor inputs with freeze protection sensors reading at 37°F and 38°F respectively. Identified need for new Freeze Protection Sensor and arranged for installation with part to be retrieved from shop. All pressure switches, condensate systems, and safety controls were verified operational with no active faults detected.