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HVAC and Plumbing Maintenance

Annual maintenance is the best investment to protect your household comfort systems.

There is nothing better for your heating, cooling, and plumbing systems than to have them serviced yearly.  This allows all of your home comfort systems to work at peak efficiency year in and year out - and saves you money in lower utility costs.  A system that is maintained annually will also experience considerably fewer breakdowns.

Under most maintenance plans you pay a service provider a yearly fee for regular maintenance but will have to pay a high price for priority service when you have a problem.  With our Comfort Protection Plan, you not only get priority service, you can prevent those problems from happening in the first place, and save money in the process!

Maintenance Agreement Benefits

  • Extended Warranty on All Repairs
  • Discounts On Repairs
  • Priority Service When You Need It
  • 100% REAL Satisfaction Guarantee
  • Discounts On Filters & Humidifier Pads
  • Save Money On Energy Bills
  • Professional Advice On Heating, Cooling, & Plumbing Systems
  • Written Condition Report
  • Peace Of Mind
  • Longer Equipment Life
  • T & G Bucks for System Replacement
  • Manufacturer Recommended Maintenance
  • Transferrable
  • We Schedule
  • We Track
  • We Call

Comfort Protection Plan Options


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Maintenance Agreement Checklist (Heating & Cooling)

Heating System Check: Air Conditioning System Check:
  1. Examine thermostat 
  2. Test for Carbon Monoxide 
  3. Inspect Heat Exchanger
  4. Measure Temperature Differential
  5. Inspect Furnace Controls
  6. Check safety devices
  7. Test for gas leaks
  8. Inspect gas valve operation
  9. Test ignition system
  10. Inspect electrical connections
  11. Test gas pressure
  12. Test Flame Sensing System
  13. Inspect furnace cabinet
  14. Lubricate all applicable moving parts
  15. Test volt and amp draw on motors
  16. Inspect breaker
  17. Test Heat Pump Operation
  18. Test cycle for proper operation
  19. Service humidification System
Learn more about our heating system check.
  1. Examine thermostat
  2. Inspect Filters
  3. Shut down Humidification System
  4. Measure Temperature Differential
  5. Monitor Humidity
  6. Inspect condenser coil
  7. Test and adjust air flow
  8. Inspect all electrical connections
  9. Test amperage draw on motors
  10. Check refrigerant charge
  11. Lubricate applicable moving parts
  12. Inspect condensate drain
  13. Inspect all electrical Components
  14. Identify proper refrigerant level
  15. Check disconnect power box
  16. Inspect breaker
  17. Inspect evaporator coil (when accessible)
  18. Test cycle for proper operation
  19. Inspect air conditioner cabinet 
Learn more about our air conditioning system check.

Maintenance Agreement Checklist (Plumbing)

Plumbing System CheckOur licensed plumber will address your plumbing questions and concerns and inspect your system as required. Our goal is to make your plumbing system safe and efficient. The plumber will:

  1. Locate and identify your main gas and water shut-offs
  2. Inspect your water heater(s) operation and condition
  3. Perform a cursory inspection of your plumbing system focusing more on items of concern

We encourage you to ask us questions as we inspect your system for leaks, loose parts, potential future issues, safety concerns, inefficient operation, and optional improvements.


To find our more about our maintenance agreements, give us a call at (248) 430-7108.
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Contact Us

Thornton & Grooms
24565 Hallwood Ct
Farmington Hills, MI 48335
MI Plumbing Lic. #: 8106666
MI Contractors Lic. #: 7100232
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