Maintenance Agreements

MVC (MDi Valued Customer) Program Includes:

  • No Overtime Rates for emergency service
  • Discounts on Parts and labor
  • Priority scheduling
  • Discounts on other Marr Development Services


Professionally maintaining your HVAC system can help you save money and taking measures to keep your heating and cooling system running smoothly year round can also solve minor problems before they become major ones. 

Sustaining a regular HVAC maintenance schedule can be challenging. When there are many other items on your to-do list, it’s possible that some things may be overlooked. If that forgotten task happens to be your HVAC checkup, it could cost you. 

Enrolling in a residential service program will help you stay on top of your heating and air conditioning system’s maintenance. When you decide on the best plan for your equipment, you can rest assured knowing your HVAC system will taken be care of through regularly scheduled appointments. 

Marr Development Heat Pumps

Our Preventative Maintenance Programs start at $399* per system – a $598 Value. Multisystem discounts are available.

Our Basic HVAC Residential Preventative Maintenance program includes:

  • Spring AC Tune-up ($149 value)
  • Summer Filter Change and visual inspection ($125 value)
  • Fall Heating System Cleaning ($199 value)
  • Winter Filter Change and visual Inspection ($125 value)
  • Access to our MVC Program!
  • No repairs or improvements will be undertaken without your prior authorization.


Program cost is dependent on your unique system and HVAC components involved.  Call us today for a personalized Preventative Maintenance Program quote.


*Oil and specialty systems are at higher costs.  Quarterly autopay is required. 

Examples of our Procedures include:

  • clean and check condenser coil
  • clean and check evaporator coil
  • check operating pressures
  • check starting capabilities
  • check safety controls
  • check and replace filters
  • check and adjust blower components
  • check for correct air flow
  • clean condensate drain
  • check for proper temperature difference
  • check all-electrical connections
  • check voltage and amperage on motors
  • lubricate all moving parts where necessary
  • check thermostat calibration
  • check heat exchanger
  • check burner operation
  • adjust gas valves
  • monitor limit controls
  • remove obstructions in flue
  • apply protective coating to outside unit