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
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.
Responded to service call for non-operational dehumidifier displaying error code. Upon inspection, diagnosed failed capacitor in the dehumidifier system. Replaced defective capacitor and verified proper electrical connections to motor assembly, restoring unit to full operational status.
Responded to callback for inadequate cooling with indoor temperature reaching 83 degrees by afternoon. Upon inspection, found evaporator coil with moderate dust and debris accumulation affecting heat transfer efficiency. Took diagnostic measurements using digital multimeter, recording readings of system components and refrigerant pressures at outdoor condensing unit. Documented condition of copper refrigerant lines, brass fittings, and compressor connections showing normal wear and oxidation. Assessed airflow restriction caused by soiled coil surfaces and filter contamination, which was contributing to reduced cooling capacity and afternoon temperature rise.
# HVAC Condensate Drain Line Repair Completion
Returned to property to complete condensate drain line repair after parts became available on will call. Accessed air handler unit and removed access panel to expose evaporator coil assembly and internal components. Addressed condensate drainage system issues that were preventing proper water removal from the unit.
Inspected evaporator coil configuration showing V-shaped aluminum fin arrangement. Noted significant corrosion on copper refrigerant line connections, particularly on suction line with heavy oxidation and rust buildup. Evaluated condition of filter drier component which displayed severe deterioration with coating failure and material degradation on exterior surfaces.
Completed installation and connection of condensate drain line components to restore proper drainage function. Verified drain line routing and secured all connections to prevent future water overflow or backup conditions. Tested system operation to confirm conden
Replaced defective evaporator coil under warranty on residential air handler unit due to loss of cooling. Removed old coil, installed new coil assembly, pressure tested system, evacuated and recharged refrigerant to manufacturer specifications, and verified proper system operation with adequate airflow and temperature differential.
Responded to no cooling call at commercial office location. Upon arrival, found main rooftop unit not operating and interior space temperature elevated to 73.4°F. Performed diagnostic inspection of outdoor condensing unit, noting normal wear consistent with outdoor installation. Checked refrigerant line set connections, condensate drain system, and electrical components. Unit exterior showed typical weathering and surface oxidation on copper lines and base frame. Documented ambient conditions and equipment status with thermal readings and visual inspection of all accessible components.
Completed scheduled monthly preventive maintenance on Lloyd Industries cooling system. Performed comprehensive inspection of air handler unit and return air grille, verifying proper airflow through horizontal louver assembly. Documented equipment condition with manufacturer identification plates visible and confirmed UL-listed components in serviceable condition. Cleaned accumulated dust from return grille slats and verified secure mounting within wooden framing structure. Inspected surrounding insulation for proper placement and checked ductwork panel for structural integrity. All components operating within normal parameters with no immediate service needs identified.
Responded to no cooling complaint with outdoor fan running but no cold air production. Performed diagnostic testing on condensing unit electrical components using clamp meter, measuring capacitor microfarad ratings at 0.15 MFD, indicating failed dual run capacitor well below manufacturer specifications. Replaced defective capacitor, verified proper compressor amperage draw, and confirmed system returned to normal cooling operation with appropriate temperature split across evaporator coil.
Successfully installed a Carrier 59TP7A080V17--16 Performance 97 Series two-stage gas furnace in the basement utility area. The installation included complete ductwork integration with the new air handler unit, proper venting configuration, and electrical connections to ensure optimal system operation. All components were installed per manufacturer specifications with 10-year limited parts warranty and limited lifetime heat exchanger warranty coverage, and the system was tested and confirmed operational upon completion.
Responded to no-cooling call with water leakage from furnace during AC operation. Upon inspection, identified clogged condensate drain line causing water backup and overflow from the evaporator coil drain pan. Cleared blockage from condensate line, verified proper drainage, and tested system operation to confirm cooling function restored and no further leakage present.
Performed scheduled cooling maintenance on residential air conditioning system. Upon arrival, investigated reported intermittent issue where unit requires power cycling to resume operation, with water accumulation noted near equipment during shutdowns. Connected refrigerant manifold gauges and recorded system pressures and temperatures to evaluate operational performance. Inspected outdoor condenser unit including coil condition, fan operation, and cabinet integrity. Verified refrigerant charge levels and system parameters during run cycle. System was operating normally at time of maintenance with no active faults present. Documented current operating conditions and equipment status for ongoing monitoring of intermittent concern.