Heating Cooling Services Wallingford CT

I adjusted the thermostat to cooling mode and set the fan to automatic. After activating the disconnect, I checked the system pressures and identified a refrigerant deficiency. I added 15 ounces of R22 refrigerant to the system. Post-addition, the return air temperature was 79 degrees, and the supply air temperature was 62 degrees, indicating effective cooling.

I conducted a comprehensive preventive maintenance service on an oil boiler. The process began with thorough brushing and vacuuming to ensure no debris was present. I replaced the oil filter, nozzle, and strainer to maintain optimal performance. After these replacements, I started the boiler and checked all safety mechanisms to ensure they were functioning correctly. A combustion test was performed, yielding results of 7.3% oxygen, 25 ppm CO, 0 smoke, and 84.9% efficiency. The system was found to be operating properly, ensuring efficient and safe heating for the upcoming season.

I conducted a comprehensive preventive maintenance service on the oil boiler, ensuring optimal performance and safety. I meticulously brushed and vacuumed the flue pipe and heat exchanger to remove any soot or debris. The oil filter, nozzle, and strainer were replaced to maintain clean oil flow and prevent clogging. I inspected all electrical connections and safety mechanisms to confirm they were secure and functioning correctly. Additionally, I performed combustion and smoke tests, achieving optimal results with 11% oxygen, 11 ppm carbon monoxide, and zero smoke, ensuring efficient and safe operation of the boiler.

I conducted a comprehensive preventive maintenance service on an oil furnace. This included thorough brushing and vacuuming to remove debris. I replaced the oil filter, nozzle, and strainer to ensure optimal performance. After starting the furnace, I verified all safety mechanisms were functioning correctly. A combustion test was performed to confirm efficient burning and proper ventilation. The system is now operating efficiently and safely.

I conducted a comprehensive heating maintenance service, starting with a thorough inspection and performance of a preventive maintenance check on the oil boiler. The flue pipe and heat exchanger were meticulously brushed and vacuumed to ensure optimal performance. The oil filter, nozzle, and strainer were replaced to maintain efficiency. All electrical connections and safety mechanisms were checked for reliability. Combustion and smoke tests were performed to verify proper operation. During the maintenance, a leak was detected in the underground oil line near the boiler. Detailed pictures and measurements were taken to facilitate a quote for installing a new overhead oil line with a tigerloop.

I began by draining the water from the old water heater, then disconnected the water piping and electrical wires. The old water heater was removed and replaced with a new 50-gallon GE electric model. I connected the electrical wires and installed new ball valves for the hot and cold lines, followed by reconnecting the water piping. The new water heater was filled with water, and I purged all air from the system. Additionally, I removed the old 2nd floor zone damper and installed a new one. I also removed silver tape from the evap coil, sealed it with caulk, and installed a section of Armaflex insulation on the suction line by the condenser.

4.9% oxygen, 29 ppm CO, no smoke, and 82.3% efficiency. The system is now operating efficiently.

I conducted a thorough preventive maintenance on an oil boiler, including brushing, vacuuming, and replacing the oil filter, nozzle, and strainer. After starting the system, I checked all safeties and performed a combustion test, achieving 3.8% O2, 17 ppm, 0 smoke, and 87.3% efficiency. The system is operating properly. Upon inspecting the oil filter at the tank, I noticed a few drops of oil and a wet bottom on the canister, indicating a potential pinhole. I cleaned the canister and replaced it to ensure optimal performance.

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 and nozzle, ensuring all components were functioning optimally. After installation, I started the system and verified all safety mechanisms were operational. A combustion test was performed, yielding results of 9.2% oxygen, 14 ppm, 0 smoke, and 77.8% efficiency, confirming the system's proper operation. During the oil filter replacement at the tank, I noticed oil drops on the tank's interior bottom, with one area near a bubbled paint spot. This observation suggests potential wear or damage. I recommend replacing the oil tank to prevent any potential leaks.

6.2% oxygen, 26 ppm CO, no smoke, and 81.4% efficiency. The system is now operating efficiently and safely.

Upon arrival, the unit was off. I inspected the evap coil and found significant dirt and dust buildup, which could have caused an odor. The air filter was clean. After authorization, I performed a chemical clean on the evap coil. No other issues were found with the indoor unit. I started the unit and checked refrigerant levels, finding it slightly low. After authorization, I added 15oz of R22, raising pressures to 69/214. The temperature difference improved from 10° to 16°, indicating proper system function. Duct diagnostics completed.

I began by inspecting the Armaflex for any signs of moisture, ensuring the pipe remained dry. Next, I removed the air handler cover to thoroughly examine the coil for any residual UV dye, finding none present. I then proceeded to the roof to check the system pressures, confirming a 19° subcooling, indicating the system was properly charged. The customer reported an isolated incident, possibly due to water leakage from another resident. Given this was a one-time occurrence, I advised monitoring the area for any future issues.

I meticulously cleaned the flue pipe and heat exchanger by brushing and vacuuming to ensure optimal airflow and efficiency. The oil filter, nozzle, and strainer were replaced to maintain the system's performance and prevent any potential blockages. I thoroughly inspected all electrical connections and safety mechanisms to guarantee they were secure and functioning correctly. Additionally, I conducted comprehensive combustion and smoke tests, achieving an oxygen level of 8.1%, carbon monoxide levels of 15 ppm, and zero smoke, confirming the system's efficiency and safety. This detailed maintenance ensures the system operates smoothly and safely.

During the service, I conducted a thorough leak search and identified UV dye in the drain pan at the air handler. Utilizing a UV light, I detected dye on the coil near the end bends, indicating a leak. Unfortunately, the leak in the coil is not repairable. Given the age of the system, I recommend either replacing the coil or considering a complete system replacement to ensure optimal performance and longevity.

Upon arrival, I initiated the boiler by turning on the emergency switch, which successfully started the unit. The primary control required a firmware update, which I promptly completed. Inspection revealed soot on the flue pipe fittings and copper pipes, which I cleaned. During the combustion test, I discovered a missing hole in the flue pipe and drilled one to proceed. The downstairs zone thermostat was calling, but the zone valve did not open. Upon investigation, I found incorrect wiring at the valve and corrected it, allowing the valve to function properly. A combustion test showed CO levels over 495ppm, well above the safe limit of 100ppm. I identified loose screws on the air band, adjusted the air, and retested. The final combustion test results were 3.4% O2, 0 ppm CO, 0 smoke, and 81.2% efficiency. Given the initial high CO levels, I recommended a maintenance service.

I conducted a comprehensive preventive maintenance inspection on two gas boilers. The process began with the removal and thorough cleaning of the thermocouples and burners to ensure optimal performance. Gas pressures were checked and adjusted as necessary. Each boiler was started, and safety mechanisms were verified to confirm proper functionality. A combustion test was performed, revealing the first floor boiler had 7.9% oxygen, 21 ppm CO, and 77.4% efficiency, while the second floor boiler showed 8.4% oxygen, 15 ppm CO, and 76.5% efficiency. Both systems are operating efficiently and safely.

Upon arrival, the unit was operating with the fan only. I inspected the evaporator coil and found no ice buildup. Moving to the condenser, I opened the electrical panel and discovered a mouse nest, a dead mouse, and chewed-up wires. Further investigation revealed that the mouse had chewed through a high voltage wire in multiple places, but fortunately, the low voltage wires were undamaged. I removed the damaged section of the wire and made necessary repairs. I also checked the 55/5 capacitor, which read 53/4.9, within the manufacturer’s specifications but nearing the lower limit. I recommend reevaluating the capacitor next year. After hooking up the refrigerant gauges and starting the system, the unit operated without delay or issues. Refrigerant levels were within specs, and the air temperature from the vents was satisfactory, achieving a 21° temperature difference. The unit is now functioning properly.

I began by carefully removing the old burner motor and coupling, ensuring all components were safely set aside for potential reuse or disposal. Next, I installed a new burner motor and coupling, double-checking each connection for accuracy and security. After the installation, I meticulously cleaned the burner motor wheel, removing any accumulated dust and debris that could affect performance. I then started the unit and conducted a thorough test to confirm proper operation. The unit responded well, indicating that the new components were functioning as intended. As a final step, I noted that the ignition transformer should be inspected during the next scheduled maintenance to ensure continued optimal performance.

Upon inspection, the customer reported that the blower was operational, but the condenser was repeatedly shutting off. After checking the pressures, I identified that the unit was shutting off due to a low-pressure switch, indicating a refrigerant deficiency. With the customer's approval, I added 4 lb 3 oz of R410a refrigerant and introduced UV Dye into the system. Initially, the subcooling was at 0.9°, which I increased to 10° subcooling. The low-side pressure was 136 psi, and the high side was 378 psi, ensuring the system operates efficiently.

Upon turning on the thermostat, I inspected the attic to assess the system's performance. I then proceeded to check the pressures at the condenser, finding the low side at 18 psi and the high side at 159 psi. These readings indicated that the system was low on refrigerant. The factory charge for the condenser is 7 lb of R22 refrigerant, and my assessment showed the system was approximately 5-6 lb low. Given the age of the system and the use of R22 refrigerant, which is no longer produced due to environmental regulations, I recommend replacing the entire system to ensure optimal performance and compliance with current standards.

I completed a comprehensive HVAC system upgrade, starting by safely recovering all remaining refrigerant. The old air handler and condenser were meticulously cut out and removed, along with the electrical whip, secondary drain pan, drain line, and lineset. A new Trane 3 Ton TEM6 air handler and Trane 5ttr4 3 Ton XR14 condenser were installed. I also installed a new secondary drain pan, float switch, drain line, lineset with a filter drier, condenser pad, and electrical whip. New refrigerant line connections were brazed in, and the system was pressure tested and vacuumed. The condenser's factory charge of refrigerant was released, and the system was started and tested, with additional refrigerant added as needed. Final pressures were 130/286 with 13° subcooling, achieving 80° return air and 58° supply air.

I conducted a comprehensive preventive maintenance check on the air conditioning system. The air filter was inspected and subsequently replaced by the customer. The condenser was thoroughly rinsed to ensure optimal performance. Electrical connections and the capacitor were examined, and system pressures and temperatures were checked. The system was recharged with 12 oz of R22 refrigerant, achieving a 56°F discharge air temperature. The system is now operating efficiently. However, access to the air handler was not possible, necessitating the use of a Little Giant ladder for future maintenance.

I conducted a comprehensive preventive maintenance check on an oil boiler. I meticulously brushed and vacuumed the system to remove any debris. The oil filter, nozzle, and strainer were replaced to ensure optimal performance. After starting the boiler, I verified all safety mechanisms were functioning correctly. A combustion test yielded results of 7.1% oxygen, 17 ppm, and 83.0% efficiency, indicating proper operation. However, the burner motor exhibited unusual noise, suggesting potential bearing failure. I recommend replacing the motor to prevent further issues.

8.7% oxygen, 14 ppm, no smoke, and 84.5% efficiency, indicating the system is running properly. For the A/C unit, I performed a thorough PM. The drain line was blown out, and the air filters were replaced. I tested and checked the condensate pump, ensuring it operates correctly. The condenser was rinsed to remove any accumulated dirt. I also inspected and tested the electrical connections, pressures, and temperatures. All checks confirmed the system is operating efficiently and effectively.

I conducted a comprehensive preventive maintenance (PM) on an oil furnace. The process began with thorough brushing and vacuuming to remove any accumulated dust and debris. I replaced the oil filter, nozzle, and strainer to ensure optimal performance and efficiency. After the replacements, I started the furnace and checked all safety mechanisms to confirm they were functioning correctly. A combustion test was performed, yielding results of 4.3% oxygen, 17 ppm CO, 0 smoke, and 83.5% efficiency, indicating the system is operating properly. The oil water heater was not serviced during this visit.