Since 1980, Masters Heating, Cooling, Plumbing & Electrical has been a trusted name in HVAC and plumbing services in Decatur. Our commitment to excellence and customer satisfaction drives our team of NATE-certified technicians. Whether you need expert heating, cooling, indoor air quality solutions, or reliable plumbing services, Masters Heating, Cooling, Plumbing & Electrical is here for you.
To schedule HVAC or plumbing service in Decatur, call (866) 824-4328 today.

Emergency Cooling Services
The warm season in Decatur lasts from May to September, meaning you need a reliable cooling system to stay comfortable for one-third of the year. At Masters Heating, Cooling, Plumbing & Electrical, we offer a full range of cooling services 24/7, including nights, weekends, and holidays:
- AC installation & replacement: Efficient, reliable cooling systems tailored to your home and needs. We offer free estimates, upfront pricing, and flexible financing options to fit a new system into your budget.
- AC repair: Our NATE-certified technicians are available day or night to repair your AC system quickly and restore comfort to your home.
- AC maintenance: We offer regular upkeep to prolong your unit’s life span and efficiency.
- Heat pumps: Invest in a versatile and efficient heating and cooling solution.
- Ductless mini-splits: Efficient, zoned comfort for spaces without traditional ductwork.
- Commercial cooling services: Cooling solutions to serve the needs of Decatur’s businesses, tailored to the unique demands of each industry.
Professional Heating Services
Decatur is plunged into a frigid cold season from November to March, making a robust heating system non-negotiable for comfort and safety. Masters Heating, Cooling, Plumbing & Electrical installs various heating systems, from boilers and furnaces to geothermal heat pumps. Count on us for all your heating needs, including:
- Heating installation & replacement: Stay warm with free estimates and financing on efficient heating systems matched to your needs.
- Heating repair: We’re here for you 24/7 with emergency heating repair for all heating system issues so you’re never left in the cold.
- Heating maintenance: Our maintenance services keep your heating system running smoothly and efficiently all winter.
- Commercial heating services: We offer comprehensive heating solutions for Decatur businesses, creating a comfortable environment for your employees and customers.
To schedule a heating service for your Decatur home or business, call (866) 824-4328 today.
Air Quality Services in Decatur
Your home’s indoor air can be up to 5 times more polluted than outdoor air, with your HVAC system circulating dust, contaminants, viruses, and microorganisms. Our indoor air quality experts offer a range of solutions to help you achieve a healthy and comfortable indoor environment.
- Air cleaners: Our team can install Honeywell air filters to prevent airborne dust, pollen, bacteria, pollutants, and other contaminants from passing through your HVAC system.
- Humidifiers & dehumidifiers: Our team can help you balance indoor moisture levels for comfortable breathing year-round.
- UV light purifiers: Eliminate microorganisms and allergens in your home’s air with the patented Capture & Kills® technology of a Carrier air purifier.
To improve indoor air quality, call (866) 824-4328 and schedule indoor air quality services in Decatur.
Superior Plumbing Services
For over 40 years, our expert plumbers have been offering high-quality plumbing services across Decatur. Our skilled team can handle everything from routine repairs to sump pump installations and whole-home repiping. We keep your home’s plumbing in top condition with:
- Water heater services: We service, maintain, and install traditional and tankless water heaters in Decatur homes and businesses.
- Fixture installation & repair: Whether you’re remodeling a bathroom or simply need to fix a leaky toilet, our experienced plumbers can help.
Call Masters Heating, Cooling, Plumbing & Electrical at (866) 824-4328 today to schedule plumbing service for your home in Decatur.
ChooseMasters Heating, Cooling, Plumbing & Electrical in Decatur, IN
Masters Heating, Cooling, Plumbing & Electrical is the go-to choice in Decatur for top-notch HVAC, plumbing, and indoor air quality services. Our family-owned business is known for its licensed and NATE-certified technicians, commitment to customer satisfaction, and high-quality work. With same-day services, free estimates on replacements, and various financing options, we ensure that we’re there for all your home comfort needs.
Masters Gets There Faster, so when you need to request HVAC or plumbing service in Decatur, call (866) 824-4328!
Recent Jobs and Reviews in Decatur, IN
Job Locations and Reviews
Responded to no-cooling complaint on 15-year-old residential HVAC system. Diagnostic inspection revealed leaking evaporator coil and failed thermostatic expansion valve (TXV). Due to age of equipment and extent of necessary repairs, provided comprehensive replacement estimate as alternative to repair quote. Documented existing furnace and air handler installation in basement mechanical room with photographs showing current system configuration, including PVC condensate drainage and ductwork connections. Coordinated with team regarding repair versus replacement options for customer consideration. Estimate includes new maintenance plan enrollment as requested.
Provided estimate for replacement of existing gas-fired tank-type water heater located in basement. Unit assessed with visible aging, moisture staining on floor beneath unit, and standard venting configuration through existing galvanized ductwork. Scope includes removal and disposal of old water heater, installation of new gas tank water heater utilizing existing gas line connections and plumbing infrastructure, and verification of proper venting and code compliance.
Provided estimate for HVAC system installation in new construction home where customer has already purchased equipment and roughed in ductwork. Assessed installation site and confirmed main plenum installation will be required to connect new unit to existing ductwork. Documented electrical panel configuration and equipment staging area to prepare comprehensive installation quote.
# HVAC Service - No Cool 10+ Years Old Responded to service call for downstairs unit not cooling. Upon arrival, performed system inspection to diagnose cooling failure. Found heavily contaminated evaporator coil with significant accumulation of dust, dirt, and debris throughout the fin structure. The buildup was restricting proper airflow across the coil, severely impacting heat transfer efficiency and cooling capacity. Inspected air filtration system and discovered dirty pleated air filter in return air plenum. The filter media showed substantial particulate loading, indicating extended service interval and contributing to reduced system airflow and coil contamination. Restricted airflow from the clogged filter was a primary factor in the no-cooling condition. Recommended thorough coil cleaning to restore proper heat transfer and system efficiency. Advised replacement of air filter with appropriate MERV-rated filter and discussed importance of regular filter maintenance schedule to
Conducted on-site assessment of existing heat pump system for replacement estimate. Inspected attic installation area, documenting current HVAC ductwork configuration and existing black flexible duct runs. Evaluated structural access points, clearances, and attic space conditions to determine equipment replacement requirements and installation feasibility. Provided comprehensive replacement estimate for new heat pump system.
Responded to emergency no-cool call for attic-mounted air conditioning system causing severe water damage to kitchen ceiling and floor. Upon arrival, discovered extensive ice formation on supply ductwork in attic space, indicating complete evaporator coil freeze-up due to restricted airflow. Primary condensate drain line was experiencing overflow condition, causing water to drip through ceiling penetration into living space below. Unit had been shut down by occupant prior to arrival to prevent further water damage. Performed comprehensive system diagnostics to identify root cause of freeze condition. Inspected evaporator coil, refrigerant levels, and airflow components. Checked air filter status and verified blower motor operation. Assessed condensate drainage system including primary drain line, secondary overflow protection, and drain pan condition. Evaluated outdoor condensing unit for proper operation and verified electrical connections at junction box. Allowed sufficient time fo
Performed preventative maintenance inspection on commercial rooftop unit. Accessed RTU on flat membrane roof, conducted visual assessment of exterior cabinet condition and mounting. Inspected interior components including ductwork connections, wiring, insulation integrity, and mechanical systems within the unit. Documented equipment condition with photographs and noted that any required repairs must be communicated to property owner per lease agreement.
Responded to emergency service call for power outage in basement/mechanical area caused by burst plumbing pipe and water intrusion. Upon arrival, found electrical panel exposed to water damage with visible corrosion and deterioration on breakers, bus bars, and internal components. Identified tripped breakers and water-damaged circuits as source of power loss. De-energized main breaker and documented extensive corrosion throughout panel assembly, including rust on mounting hardware and connection points. Assessed panel condition and determined immediate safety hazard due to water exposure and compromised electrical components. Recommended complete panel replacement and coordination with plumbing contractor to address water source before restoration of electrical service.
Responded to callback for leaking temperature and pressure relief valve on commercial-grade A.O. Smith ProLine water heater following previous day's maintenance service. Inspected relief valve discharge and confirmed slow leak from valve body. Replaced defective T&P relief valve with new unit, tested operation and discharge function, and verified proper seating with no leakage detected upon completion.
Performed routine maintenance flush on gas tanked water heater located in garage. Drained sediment buildup from tank, inspected anode rod and pressure relief valve for proper operation, and refilled system to restore hot water service.
Completed furnace replacement estimate for residential basement installation. Assessed existing furnace unit and ductwork configuration, documented current thermostat setup and HVAC system layout. Provided replacement options for homeowner preparing property for sale.
Responded to service call for well pump cycling on and off frequently. Upon inspection, diagnosed failed bladder in pressure tank located in basement. Observed significant rust staining and corrosion at tank base indicating age and deterioration. Found existing well shutoff valve seized due to corrosion, preventing isolation of system. Documented existing conditions including pressure gauge, piping connections, and electrical components with photographs for customer records.
Relocated and reinstalled furnace flue piping to accommodate new deck construction. Modified PVC vent pipe routing with proper coupling connections to ensure code-compliant clearances and maintain safe exhaust ventilation for heating system.
Responded to water heater leak investigation at top of tanked unit. Upon inspection, identified heavily corroded threaded nipple fitting exhibiting extensive rust and moisture damage, consistent with active leak condition previously observed during furnace service. Documented corroded plumbing connection with photographic evidence showing deteriorated metal fitting requiring replacement to resolve leak issue.
Returned to property to install customer-provided electronic anode rods in two residential water heaters. Removed existing anode rods from both units and successfully installed the new electronic anode rod assemblies in accordance with manufacturer specifications. Verified proper electrical connections and tested system operation to ensure correct functionality. All plumbing connections were inspected and confirmed secure with no leaks detected upon completion.
Responded to plumbing leak call back and conducted thorough inspection of the affected area. Removed and photographed water filter housing showing signs of age-related deterioration, surface staining, and potential seal failure that was identified as the source of the leak.
Completed full HVAC system replacement including installation of Carrier Performance Series two-stage air conditioner model 26TPA836W003 and Carrier Performance Series variable speed air handler model FT5ANXC36L00. Removed and properly recycled existing equipment. Installed new 2-inch PVC condenser pad and positioned outdoor unit on concrete base. Reconnected unit to existing line set after performing complete flush and pressure test to ensure system integrity. Installed new electrical disconnect and whip for outdoor condenser unit. Reconnected all existing supply and return ductwork to new air handler. Installed Honeywell Vision PRO TH8321R1001 programmable thermostat and provided operational instruction. Performed comprehensive system startup and testing using manifold gauges to verify refrigerant pressures, superheat, and subcool readings within manufacturer specifications. Conducted post-installation quality assurance inspection and complete system walkthrough. Registered equipment
Performed electrical diagnostics and measurements on existing electrical panel using digital clamp meter to assess system capacity and verify proper operation in preparation for approved panel upgrade. Conducted voltage and amperage testing at main disconnect to establish baseline electrical parameters and ensure safe working conditions for upcoming service upgrade work.
Performed scheduled maintenance on tankless water heater system, including complete descaling flush to remove mineral buildup and ensure optimal performance. Inspected copper supply lines, isolation valves, and connection points for proper operation and identified minor corrosion on pipe fittings. Provided customer with quote for replacement of three existing toilets with ADA-compliant comfort height models.