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Schedule Your Annual Cooling Tune-Up

Schedule Service

Use the form below to schedule an efficiency tune-up for your heating system.

1. What is your appointment address?

2. Provide your contact information


3. What is the equipment that needs repair?

4. When do you want us to come out?

    IMPORTANT: Prior to the appointment the Constellation technician, electrician, or plumber will attempt to contact you at the telephone number provided. Please verify the number is accurate as the technician will proceed to the next appointment if they receive no answer.

    Schedule Your Annual Cooling Tune-Up

    Schedule Your Annual Cooling Tune-Up

    Schedule and Save on Your Annual Cooling Efficiency Tune-Up

    Have a certified HVAC professional from Constellation Home perform a 21-point cooling inspection for just $64.95.

    Maximizing your system’s efficiency can help you control energy costs all winter long. The fact is your heating system accounts for 46% of all the energy used in your home, and manufacturers recommend having your heating system inspected annually.

    Our thorough inspection will help ensure your unit is operating at peak efficiency. Don’t wait to schedule, because for a limited time, you’ll pay just $64.95 — $55 off the regular price of $119.95. Our experienced technicians will show up on time, in uniform, and ready to make sure your family stays comfortable all year long.

    21-Point Heating Efficiency Tune-Up Checklist:
    Checklist items depend on if a cooling or heating system is inspected.

    • ✔ Perform carbon monoxide safety test
    • ✔ Measure combustion efficiency
    • ✔ Inspect safety controls and unit wiring
    • ✔ Level, calibrate and test thermostat operation
    • ✔ Inspect and clean filters
    • ✔ Test motor capacitors
    • ✔ Check inducer motor
    • ✔ Clean and test flame sensor
    • ✔ Inspect gas line
    • ✔ Inspect internal flue ways and heat exchanger (gas unit)
    • ✔ Inspect pilot and combustion burners (gas unit)
    • ✔ Perform draft test on chimney (gas unit)
    • ✔ Inspect vent connector and vent pipe (gas unit)
    • ✔ Measure supply and return temperatures
    • ✔ Measure airflow
    • ✔ Inspect indoor and outdoor coils
    • ✔ Inspect and test relays, contactors and electric heater
    • ✔ Test condenser fan motor and compressor
    • ✔ Test defrost operation
    • ✔ Measure refrigerant charge
    • ✔ Clear and flush condensate drain line
    • ✔ Test blower motor for proper Volt and Amp readings
    • ✔ Inspect evaporator coil
    • ✔ Check refrigerant metering device for proper installation
    • ✔ Inspect plenum for air leaks
    • ✔ Inspect refrigerant lines and check for proper insulation
    • ✔ Inspect high voltage disconnect boxes and tighten all connections
    • ✔ Monitor and assess supply and return temperatures
    • ✔ Rinse condenser coil
    • ✔ Check condenser clearances
    • ✔ Inspect condenser fan blades
    • ✔ Inspect refrigerant service valves

    About Constellation Home

    On Time. In Uniform. There When You Need Us.

    Constellation Home provides dependable heating, air conditioning, plumbing and electrical services to homeowners throughout central Maryland. Every day, our certified professionals deliver industry-leading service to hundreds of families with one goal in mind: making you more comfortable in your home. Our team of technicians has an average of 11 years of experience and an on-time rate of 97%.


    9 out of 10 customers would refer Constellation Home to friends and family.

    MD HVAC #10605, MD Master Electrician #13060, MD Master Plumber/Gas Fitter #89794, Balto. Co. Master Plumber/Gas Fitter #MP-11256, WSSC #72758, MHIC #2273
    Excludes other discounts and prior purchases. Price is per system. Offer expires 5/30/24.

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    This page is currently under construction.

    Everyone needs to make home improvements from time to time and we are no exception. We are currently upgrading our online service scheduling experience, but you can still schedule service by contacting our Customer Care Center. Call 888.243.HOME to schedule service today.