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 annual heating maintenance service on customer's system. Conducted microamp test on flame sensor with readings of 44μA, which is within acceptable range. Inspected and documented moderate dust accumulation on air filter, which was still functional but approaching replacement timeframe.
Performed diagnostic testing on PTAC unit control board using Fluke 902FC True RMS meter. Confirmed availability of three required replacement parts at Johnstone West location. Parts were retrieved and installed to restore proper functionality to the unit.
Conducted home estimate for HVAC system replacement. Current installation includes an aging Goodman furnace with visible wiring and components accessible via opened access panel, along with an outdoor condenser unit showing signs of winter exposure and possible ice buildup at base. Customer initiated contact through home show event.
Performed annual heating maintenance service on customer's system. Conducted temperature readings with Fieldpiece SC260 multimeter, verifying proper operation at 32°C. Inspected exhaust venting and copper water line connections for integrity and proper installation, with all components functioning as designed.
Diagnosed no-heat issue on gas furnace system that was repeatedly shutting off. Discovered outdoor unit and PVC exhaust venting were obstructed by heavy snow accumulation, preventing proper combustion air intake and exhaust. Cleared snow from outdoor components and verified system operation restored to normal.
Responded to no heat complaint on commercial RTU. Diagnostic check revealed significant temperature differential between thermostat setpoint (80°F) and actual space temperature (46°F). Verified thermostat was properly calling for heat with system in heating mode and fan running. Completed necessary repairs to restore heating function to the unit.
Responded to emergency call regarding insufficient heating where thermostat was reading 62°F with concern for children in residence. Inspection revealed significant corrosion and deterioration of furnace components. Diagnostic testing showed high temperature reading of 129.8°F, indicating potential heat exchanger failure. Recommended replacement of affected components to restore proper heating function.
Diagnosed no-heat complaint in aging furnace system. Performed voltage testing at control board and verified proper voltage readings of 20.2V, indicating functional electrical supply. Inspected wiring connections at terminal blocks and found all connections secure with no signs of damage or corrosion.
Performed 2025 heating maintenance service on commercial agreement. Inspected heating system components including flame sensor and heat exchanger gasket, documented condition with photos. Found mineral deposits and scale buildup on heat exchanger edge requiring cleaning to maintain efficient operation.
Responded to service call for furnace failure after previous flame sensor replacement in November. Performed electrical diagnostics with Fluke 902FC meter, confirming proper voltage supply at 121V. Inspected blower motor assembly and control board components. Identified and cleaned accumulated debris on replacement flame sensor that was causing intermittent operation failure. System tested and restored to normal operation.
Completed installation of new Carrier Infinity HVAC system including an 80K BTU 97% efficient modulating gas furnace and 3-ton AC unit with Infinity Wall control. Installation included new pad, disconnect, copper line-set, drain line, PVC exhaust/intake, Aprilaire filtration assembly, 720M powered humidifier, and duct cleaning. Properly capped off old flue and positioned outdoor condenser unit on stone base against exterior wall.
Responded to no heat call at commercial property. Upon inspection, found electrical wiring issues within the furnace and a problematic blower assembly. Repaired electrical connections and serviced the blower motor to restore heating function.
Performed comprehensive heating maintenance as requested with senior technician. Inspected ignition system components and electrode assembly for proper function. Measured temperature differential at 15.0 degrees across system, confirming proper operation within manufacturer specifications.
Performed heating system maintenance including inspection of air filter, which showed significant dust accumulation requiring replacement. Conducted electrical diagnostics with clamp meter showing 29 Amps current draw, verifying system is operating within normal parameters.
Completed IAQ service repairing electrical connection issue. Replaced faulty brass connector and rewired the component using appropriate tools. Equipment now functioning properly with all connections secured.
Successfully installed a complete Carrier Infinity system including a 2-ton air handler and A/C unit with hot water coil for heating. Installation included emergency drain pan with float switches, Infinity thermostat, Aprilaire filtration system, and RGF Zero Series II air purifier to provide comprehensive climate control and air quality management.
Responded to no-heat complaint in Unit #17. Diagnosed operational thermostat despite tenant report of malfunction. System producing adequate heat with discharge temperature of 105°F. Verified proper thermostat function and confirmed heat delivery to space. Current room temperature 68°F with setpoint at 76°F, indicating system functioning correctly in heating mode.
Conducted comprehensive inspection of two HVAC units for potential equipment transfer. Evaluated Unit #2 for both partial replacement using components from Unit #1 and complete system replacement options. Examined electrical panel and existing ductwork to determine feasibility of proposed work. Prepared detailed estimate for client with multiple solution pathways as requested.
Performed annual heating system maintenance including comprehensive electrical diagnostics. Verified system amperage readings of 3.2A and 2.1A using Fluke 902FC clamp meter, confirming all values within manufacturer specifications. Equipment operating correctly with no issues detected.
Performed scheduled tune-up service on customer's HVAC system. Conducted amperage testing of electrical components using Fluke 902FC clamp meter (measured 0.8 Amps AC). Inspected exhaust ventilation system and verified proper installation of all connecting pipes and hoses.