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 comprehensive heating system maintenance on residential HVAC unit. Conducted electrical diagnostics using clamp meter to verify proper amperage draw on system components, recording readings of 4.3 AAC and 0.6 AAC at various test points. Inspected capacitor connections and contactor assembly, verifying all wire terminations were secure and properly seated. Tested electrical components including relay operation and control circuit functionality. All measurements fell within manufacturer specifications, confirming system is operating efficiently and ready for heating season. Membership renewal was processed on-site as requested, with scheduling accommodations made per household requirements.
Responded to no cooling complaint on Bryant rooftop unit serving office spaces above machine shop. Upon arrival, performed diagnostic testing of electrical components and control board. Used Fieldpiece SC680 meter to measure voltage and verify proper electrical readings at control panel. Inspected circuit boards, wiring connections, and electrical components within control compartment. All measurements indicated system was operating within normal parameters at time of service call.
Installed Honeywell Home ProSeries T6 digital thermostat to replace existing Nest unit. Verified proper wiring connections at terminal block including Y1, Y2, G, OB, Rc, W1, and W2 terminals. Tested system operation to confirm HVAC unit now cycles on properly and thermostat communicates correctly with equipment.
Performed site assessment of existing residential HVAC system to provide second opinion on zoning feasibility after previous contractor declined work due to oversized equipment concerns. Evaluated Airtemp furnace installation, existing ductwork configuration, supply register placement, and current system capacity to determine viability of implementing zone control system and provided comprehensive estimate for required ductwork modifications.
Completed comprehensive air conditioning tune-up on Carrier outdoor condensing unit. Performed electrical diagnostics using digital multimeter to verify capacitor function and electrical connections, inspected condenser coil and fan assembly, and confirmed proper system operation. Unit found in satisfactory condition with all components functioning within normal parameters.
Completed routine cooling system maintenance including inspection of evaporator coil and replacement of air filter. Evaporator coil exhibited moderate dust accumulation on fins and surfaces, which is typical for residential systems between service intervals. Replaced dirty pleated air filter with new unit to maintain proper airflow and system efficiency for the upcoming cooling season.
Responded to no cooling complaint on residential air conditioning system. Upon arrival, measured supply air temperature at 50.5°F and return air temperature at 69°F, confirming adequate cooling operation with approximately 18.5°F temperature differential. Thermostat displayed 70°F setpoint with current indoor temperature at 66°F in hold mode. System found operating within normal parameters with no mechanical deficiencies identified.
Returned to complete installation of blower assembly for Aprilaire dehumidifier unit in basement utility area. Successfully installed blower motor with mounting bracket, connected electrical wiring with proper wire nuts, and verified condensate drain line connection. Unit mounted securely to concrete block wall with all ductwork ports accessible for proper airflow distribution.
Completed scheduled cooling maintenance on residential air conditioning system. Performed comprehensive inspection of outdoor condensing unit, including visual assessment of capacitor which showed signs of age with corrosion present on electrical terminals and weathering on housing. Utilized Fieldpiece SC640 clamp meter to test capacitor performance, recording microfarad reading of 9.42. Inspected electrical connections, noting red and purple wires connected to capacitor terminals with visible oxidation typical of outdoor exposure. Evaluated overall unit condition, documenting accumulated dirt and grime on interior components and chassis. System operational at time of service completion.
Completed scheduled spring cooling maintenance on 1-year-old geothermal heat pump system located in attic. Performed comprehensive system inspection including verification of Geo-Flo loop pressure readings, which were within normal operating parameters. Inspected and verified clean condition of air filtration system with pleated media filters showing no signs of excessive dust accumulation or restriction. System operational and ready for cooling season.
Responded to warranty callback for HVAC units reported as non-operational following previous week's repairs. Upon arrival, inspected electrical contactor (Homer model D157567P10) and associated wiring connections, verified proper voltage supply and component functionality, and confirmed units restored to normal operation.
Completed full HVAC system installation including Carrier 26SCA424N003 Comfort Series single-stage air conditioner, CVAVA2414XMA evaporator coil, and TSTATCCEWF-01 Wi-Fi connected smart thermostat. Installed outdoor condensing unit on concrete pad, ran refrigerant lines to indoor evaporator coil, and charged system with Puron refrigerant to manufacturer specifications. Verified proper system operation using digital manifold gauges, confirmed all electrical connections per safety protocols, programmed and connected smart thermostat to Wi-Fi network, and tested complete system functionality including airflow and temperature differentials.
Completed scheduled cooling maintenance on outdoor air conditioning unit. Performed electrical diagnostics using digital multimeter to verify proper voltage and amperage at control panel. Inspected condenser coil and noted moderate debris accumulation on heat exchanger fins with visible dirt buildup and minor surface oxidation requiring attention for optimal heat transfer efficiency.
Completed annual cooling maintenance on residential HVAC system located in basement. Performed comprehensive inspection of heat exchanger and condenser unit, verified proper airflow through parallel fin assembly, and inspected air filtration system with diamond-pattern mesh filter. All components found operating within normal parameters, system ready for cooling season.
Performed comprehensive air conditioning tune-up on residential outdoor condensing unit. Conducted electrical diagnostics using digital clamp meter, recording amperage readings to verify compressor and fan motor performance within manufacturer specifications. Inspected condenser coil fins and exterior housing, noting minor dirt accumulation and weathering consistent with normal outdoor exposure.
Replaced broken latch mechanism on existing fire damper assembly. Retrieved replacement part and installed new latch hardware, restoring proper operation of the damper's open/latched positions. Unit tested and verified functional upon completion.
Completed comprehensive air conditioning tune-up on outdoor condenser unit. Performed full system inspection including condenser coil examination, verified proper airflow through protective grille, checked electrical connections at disconnect box, and confirmed unit operation. System found to be in functional condition with normal outdoor weathering; all components operating within manufacturer specifications.
# A/C Diagnostic – Water Leak
Responded to service call for air conditioning system experiencing water leakage on floor while unit continued to operate. Upon arrival, inspected Bryant air handler unit located in utility closet. Examined condensate drainage system including white PVC drain lines running from air handler. Checked for proper drain line pitch, clogs, and blockages in primary and secondary drain pans. Inspected condensate pump operation if applicable. Verified drain line termination point and cleared any obstructions preventing proper water discharge. Tested system operation to confirm condensate was draining properly through primary drain line without overflow. Ensured secondary drain pan was clear and functional as backup safety measure. System tested and operating normally with no further water accumulation observed on floor.
Responded to no cooling complaint at commercial building. Upon arrival, checked Honeywell programmable thermostat which displayed 79°F ambient temperature with setpoint at 68°F and system indicating "Cool On" mode. Performed diagnostic testing and measured supply air temperature at 32.9°F, confirming system is producing proper cooling output and compressor is functioning correctly. Issue determined to be thermostat configuration or airflow distribution rather than blower motor failure as initially suspected.
Responded to no-cool call where system failed to maintain temperature and would not turn on. Upon arrival, performed diagnostic testing on Carrier condenser unit using manifold gauges to check refrigerant pressures and system operation. Identified and resolved the issue under warranty coverage, restoring full cooling functionality to the system.