Heating Cooling Services Hamden CT

I conducted a comprehensive preventive maintenance service on an oil boiler. The process began with thorough brushing and vacuuming to ensure cleanliness. I replaced the oil filter, nozzle, and strainer to maintain optimal performance. After starting the boiler, I verified all safety mechanisms were functioning correctly. A combustion test was performed, yielding results of 4.4% oxygen, 22 ppm CO, 0 smoke, and 84.1% efficiency, indicating the system was operating efficiently. I also identified and replaced the corroded Hi-vent on top of the boiler. The system is now in proper working condition.

I conducted a comprehensive preventive maintenance check on the gas furnace. I meticulously brushed and vacuumed the burner tubes to ensure optimal airflow. The burner, blower compartments, and surrounding areas were inspected and vacuumed to remove any debris. Electrical connections and safety features were checked for proper functionality. Gas pressure was verified, and the flame sensor was cleaned and inspected. A combustion test was performed, recording inlet pressure at 11.12 inches of water column and manifold pressure at 5.21 inches of water column. The air filter was replaced with the customer-supplied one, and the oxygen and carbon monoxide levels were measured at 15% and 14 ppm, respectively.

I meticulously cleaned two indoor evaporator coils and blower wheels using a chemical solution to remove dirt and debris. I also washed and wiped down the outer plastic housing to ensure it was free of dust and grime. After the cleaning, I turned both units on and conducted thorough tests to confirm proper operation. Both systems are now functioning optimally.

I conducted a preventive maintenance check on two ductless heat pump systems. This included washing the air filters, inspecting and clearing the drains, and rinsing the condenser coils. I also verified the electrical connections and safety features. Both units were tested in high heat and cooling modes, achieving temperatures of 134°F for heating and 47°F for cooling on the small unit, and 131°F for heating and 42°F for cooling on the large unit. The blower wheels on both units were found to be dirty, and I recommend cleaning the indoor units to improve airflow.

I successfully completed the replacement of an old indirect water heater with a new PurePro 50, 50-gallon model. The process involved draining and removing the old unit, followed by the installation of a new aquastat, pressure relief valve, drain valve, and nearby piping. After ensuring all components were securely in place, I refilled the system with water and purged any air pockets. The system was then started, and I conducted thorough testing to verify proper operation, including checking water temperatures, which reached 119.8°F at both bathroom sinks. The system responded accurately to on and off commands, ensuring optimal performance.

Upon arrival, the thermostat was off and the unit was not operational. I inspected the furnace and found that the control board had no lights. Checking power at the control board revealed no power. I then checked the shut-off switch at the furnace, also with no power. I examined the firomatic switch above the furnace and found no incoming power. I turned the emergency stair switch off and on, then checked for power at the firomatic, which was present. After waiting for the thermostat time delay, the system turned on without issue. The emergency stair switch needs replacement due to intermittent functionality.

During the assessment, I meticulously tightened the set screw to ensure optimal stability and functionality of the attic fan. I then adjusted the pulley to enhance the fan's efficiency, ensuring it operates smoothly. This adjustment improved the fan's performance, contributing to better air circulation and overall comfort. My attention to detail and technical expertise ensured the job was completed to the highest standards.

Upon arrival, I assessed the issue with the cooling system. The condenser activated, but the blower did not. After spinning the blower wheel, it failed to start. I examined the thermostat and discovered the fan selector switch was not fully in the “Auto” position, causing it to be in a dead spot between “ON” and “AUTO.” Adjusting the switch resolved the issue, and the blower started properly. The system was then turned back on and operated correctly.

I conducted a comprehensive preventive maintenance check on the air conditioning system. I cleared the drain line, replaced the 20x23x1 air filter, and rinsed the condenser. Electrical connections were inspected, and pressures and temperatures were checked. The system was found to be low on refrigerant, with subcooling at 1.8°, below the manufacturer's recommended 10° +/- 3%. I added 1 lb 2 oz of R-410a to achieve the target 13° subcooling. The system is now operating correctly.

Upon inspection, the upstairs air handler was not operational. Upon further investigation, I discovered that the breaker had been turned off. After resetting the breaker, the air handler resumed functioning. Next, I examined the condenser and identified a burnt wire at the contactor. I replaced the damaged wire, which allowed the compressor to start, but the fan remained inactive. I then assessed the capacitor, noting that its rating was 40/5 mfd, while the reading was 24/2.9, below the manufacturer's specifications. This discrepancy indicated a faulty capacitor, which had caused the wire to overheat. After replacing the capacitor, the system started and is now operating correctly. Given the age of the system, I recommend considering a replacement in the future.

Upon arrival, I identified significant corrosion around the aquastat well and the boiler drain of the indirect water heater. The corrosion was particularly severe around the aquastat well fitting, compromising the integrity of the unit. Given the extent of the damage, I recommended replacing the indirect water heater. I took detailed photographs to provide an accurate replacement quote, ensuring all necessary components are accounted for in the new installation.

I conducted a comprehensive preventive maintenance check on the air conditioning system. I began by clearing the drain line and replacing the air filter to ensure optimal airflow. The condenser was meticulously rinsed to remove any accumulated debris. I then inspected all electrical connections for integrity and checked the system's pressures and temperatures to confirm they were within the standard range. After adding 4oz of R410a refrigerant, I verified that the system was operating efficiently and effectively.

During the service, I identified water in the secondary pan and vacuumed it out. The drain line was cleared by blowing out any blockages. The condenser coil was rinsed with water to remove debris caused by the dryer vent. After checking the pressures, I added 3 oz of R-410a refrigerant to the system, following customer approval. The discharge temperature was 56°F and decreasing, indicating proper operation. I recommend scheduling yearly maintenance for both systems to ensure continued efficiency.

I safely shut off power to the indoor unit, removed and cleaned the blower assembly, and reinstalled it. I tested the unit and installed a new filter. The blower motor capacitor was below specifications, so I replaced it with authorization. I performed maintenance on the first floor system, including inspecting the indoor evaporator coil, checking electrical connections, and ensuring proper drainage. The condenser capacitor was also below specs, so I replaced it. I recommended chemical cleaning for the dirty evaporator coil and blower wheel assembly, and cleared a drain line blockage.

Upon arrival, the unit was operational. I began by inspecting the air filter, which was found to be heavily clogged. Additionally, the evaporator coil exhibited significant dust and dirt accumulation. After obtaining customer authorization, I performed a chemical cleaning on the evaporator coil. The air filter was replaced, and the unit was restarted. I then checked the refrigerant levels, discovering a slight deficiency. With customer approval, I added 12 oz of R22 refrigerant to the system. A temperature split of 12° was noted upon departure. For optimal performance, a blower wheel cleaning is recommended. To proceed, the location of the breaker for the second-floor air handler is required. I suggest having an electrician install a shut-off switch for the indoor unit, as there is currently no means to disconnect power to the indoor unit.

Upon receiving a call, I assessed the situation where the customer had recently replaced the automatic water feed but the pressure relief valve was still leaking. After thorough inspection, I identified that the expansion tank was failing. The water had migrated into the air side of the tank, causing increased pressure when the water heated up. To address this, I valved off the boiler and drained the system to ensure safety. I then removed the faulty expansion tank and installed a new one. Following the replacement, I filled the system with water and purged any air pockets. After turning the system back on, I monitored the pressure, which stabilized between 17-20 psi while running. The system is now operating correctly and efficiently.

Upon arrival, I first carefully removed the condenser top to access the fan motor. After detaching the fan motor, I observed several cracks on the condenser top. I coordinated with the customer to have the cracks professionally welded, ensuring the integrity of the condenser was restored. Once the welding was completed, I reassembled the condenser top, making sure all components were securely fastened. I then started the system and conducted thorough testing to confirm that the condenser was functioning correctly and efficiently. The system operated smoothly, and the customer was satisfied with the repair.

I conducted a comprehensive preventive maintenance service on the air conditioning system. This included blowing out the drain line, inspecting and replacing the air filter, and thoroughly rinsing the condenser. I checked all electrical connections, pressures, and temperatures to ensure optimal performance. The system was found to be operating properly. However, the capacitor value for the compressor was below the manufacturer's tolerance, so I replaced it with a new one provided by the customer. Additionally, I identified a crack in the condenser top, which will require welding before we can replace it. The customer will schedule a follow-up appointment for this task.

6.7% oxygen, 34 ppm CO, and 81.5% efficiency. The system is functioning correctly. However, I noticed rust and sludge in the oil filter canister, suggesting it should be replaced to prevent potential leaks. I then valved off the boiler, drained it, and installed a new Safgard 1150 Low Water Cut Off control. The system was refilled, purged, and the new control was tested for proper operation.

Upon arrival, I observed that the lights on the zone panel were not functioning. I conducted a power check and discovered that there was no incoming power to the zone panel and the aquastat. However, the Low Water Cut Off (LWCO) was receiving power. I opened the cover of the LWCO and identified burnt and broken wires on the circuit board, which were caused by a leak. I safely disconnected the power wires inside the control. Following this, the boiler and zone panel powered on correctly. The LWCO needs to be replaced to resolve the issue.

Ductwork Repair Service: Homeowner noticed certain bedrooms staying much warmer than the rest of the house and excessive dust near supply vents. Inspected the attic duct system and found multiple disconnected joints and air leakage at several trunk lines. Resealed the ductwork, secured loose sections, and balanced airflow at the registers. Air delivery is now stronger and more consistent throughout the home.

I conducted a comprehensive preventive maintenance check on the air conditioning system. This included blowing out the drain line, inspecting and replacing the air filters, and rinsing the condenser. I also checked electrical connections, pressures, and temperatures. After testing, the system operated correctly, but the indoor blower failed to start. Upon investigation, I discovered a faulty blower relay and replaced it. Following this, I added 10 oz of R22 refrigerant to the system with customer authorization.

AC Repair: Dispatched after homeowner reported water leaking from indoor AC unit and poor cooling. Inspected the condensate line and found a complete blockage and partially frozen evaporator coil. Cleared the drain, thawed the coil, replaced a dirty air filter, and verified refrigerant pressures. Tested system under full load; cooling and condensate flow restored.

I thoroughly inspected the boiler, cleaned the condensate trap, and checked all piping for leaks and corrosion. I examined the flue and air pipes, system pressure, and controls. The ignition electrode was cleaned, and all wiring connections and safeties were checked. Upon starting the unit, it went into lockout with a temperature sensor error. I repaired chewed wires, ensuring tight connections, and successfully restarted the system, which cycled without issues.

Duct Cleaning: Performed a comprehensive duct cleaning for a client noticing dusty air and poor airflow. Removed all vent covers, cleaned supply and return ducts using mechanical brushes and high-powered vacuums, sanitized accessible areas, and reinstalled vent covers. Verified improved airflow and cleaner indoor air quality throughout the home.