“From the start, TAG was a pleasure to work with on our boiler and hot water heater replacement. Kris and Kelly on the front end were responsive and friendly. Sean was very willing to answer our many questions and provided us with a clear and easy to follow...
“We’re very pleased with the quality of work from TAG. The ladies in the office were extremely helpful in getting everything scheduled despite a sudden rush of emergency jobs, and they helped us through the MassSave rebate and heating loan programs. The...
“Thank you to TAG for making a confusing process easy. We just replaced our oil furnace to a gas furnace. They explained all of the steps to converting to gas and made the entire process smooth and painless. Their work was excellent, and our house was left...
“I have worked with TAG for years and every time I need their services I am impresses with the knowledge and skill they bring to each job; big and small.” – Brenda F.
“These folks just became my go to guys for all things HVAC. They are very professional, knowledgeable and don’t try to oversell. They really know their stuff. They solved a problem I have been having for months that 3 other technicians from 2 other...
“So happy with the heat pump and 3 mini-splits that TAG installed for us. They did a great job! There was one minor adjustment that needed to be made (about a month after installation), they responded immediately and took care of the problem. Another plus about...
Remove side covers and top to access condenser coil inside and out.
Remove debris around and inside condenser and vacuum if necessary.
Hose off loose dirt on condensing coil.
Apply biodegradable coil cleaner to condensing coil and let soak.
Thoroughly rinse off coil cleaner.
Clear condenser drain holes.
Check wire connections for compressor and replace connector if necessary.
Check condition of crank case heater.
Oil condenser fan motor.
Check and tighten condenser fan motor mounting bracket.
Clean condenser fan blade.
Check condenser fan blade for cracks in metal.
Tighten fan blade set screw.
Open and clean debris out of electrical compartment.
Visually inspect all wiring for wear or breaks.
Repair small wiring problems in electrical compartment if necessary. (Large electrical problems such as burnt or corroded wires or components repaired at extra charge).
Check compressor contactor operation and look for burnt points or corroded connectors and replace contactor if necessary at extra charge and with homeowners approval.
Reassemble condenser.
Service indoor blower assembly, clean squirrel cage and housing.
Oil indoor blower motor.
If accessible brush and vacuum evaporator coil.
Apply self-rinsing evaporator coil cleaner.
Replace disposable air filter or clean washable air filters-extra charge for Aprilaire of Air Bear air filters.
Check thermostat operation and set to cool home.
Turn on air handler, look and listen for unusual vibrations or noise.
Check amperage of blower motor and compare to manufacturers rating plate.
Fire up condenser, look and listen for unusual vibrations or noises.
Check compressor amperage and compare to manufacturers rating.
Check low and high side pressures and analyze system operation.
Do superheat or sub cool calculations to determine system freon charge.
Add freon if necessary at extra charge and with approval.
Oil Clean Out and Safety Inspection
Inspection of unit looking for water or oil leaks, unsecured parts and rot.
Inspection of overall condition of oil tank.
Remove oil filter, check fuel flow from tank.
Replace oil filter at tank.
Replace fuel unit strainer.
Purge pump and oil line ensuring full flow of oil.
Remove, clean and inspect burner coupling.
Remove burner motor and inspect.
Clean cad cell eye.
Clean and check retention head.
Replace nozzle.
Clean, file and adjust electrodes.
Clean gun assembly.
Clean and reassemble burner.
Start heating unit and check transformer operation.
Check safety timing of primary control.
Check combustion chamber and flame.
Manually work firematic shut off at tank and burner to insure operation in case of fire.
Clean pump and pump shaft.
Clean primary air band.
Clean secondary air band.
Brush and vacuum burner squirrel cage.
Check burner wiring looking for burnt, loose or frayed wires and possible shorts.
Check burner mounting and gasket.
Remove smoke pipe from unit to chimney.
Brush and vacuum smoke pipe.
Brush and vacuum chimney base, clear all obstacles to ensure free flow of flue gases.
Open all clean out panels. Remove, brush, and vacuum flue collector box.
Brush and vacuum all flue passages.
Reassemble heating unit. Attach smoke pipe ensuring three screws in each smoke pipe connection. Cement smoke pipe into chimney.
Complete efficiency test to ensure proper operation
Adjust draft control for proper draft.
Additional Points for Forced Hot Air Systems
Replace air filter.
Check blower assembly belt and bearings.
Oil motor (if necessary).
Brush and vacuum blower wheel.
Additional Points for Steam Boilers
Purge and ensure operation of low water cut-out.
Test operation of automatic water feeder.
Clean water level sight glass.
Add chemical to treat water (additional charge) we will talk to homeowner first
Gas Tune Up and Safety Inspection
Overall appearance.
Remove, clean and inspect burner tubes.
Remove pilot assembly, clean, and reinstall.l
Brush and vacuum heat exchanger.
Check inside heat exchanger for rust, rot and cracks.
Wire brush gas burners and vacuum.
Clean pilot assembly and orifice.
Inspect thermocouple-if replacements necessary, we will notify customer of cost.
Check hot surface ignitor-if replacement necessary inform homeowner with price.
Clean flame sensor.
Check and drain inducer and exchanger vacuum tube-replace if necessary.
Remove inducer motor and check impeller.
Oil inducer motor and re-install.
Remove blower assembly.
Vacuum and chemically clean blower area.
Check outside of heat exchanger for rust, rot and cracks.
Check secondary heat exchanger for leaks and rot.
Brush and vacuum secondary heat exchanger.
Replace standard 1” air filter-extra (all other filters are at an additional charge)
Brush and vacuum blower wheel and blower motor.
Oil blower motor.
Chemically clean blower assembly housing inside and out.
Check motor mounts.
Check and tighten blower belt.
Check and oil bearings.
Re-install blower assembly.
Chemically clean lower compartment door inside and out and put on.
Fire system up.
Check pressure switch operation.
Check flame sensor operation.
Check gas valve input/output pressure.
Check and adjust combustion air shutters.
Check high limit operation.
Check blower operation.
Chemically clean compartment door inside and out and put on.
Chemically clean outside of unit.
Check thermostat operation.
Additional Points for Steam Boilers
Purge and ensure operation of low water cut-out.
Test operation of automatic water feeder.
Clean water level sight glass.
Add chemical to treat water (additional charge) we will talk to homeowner first
