The HVAC symptom finder.
Pick your system and what it is doing. See the most likely causes, what is safe to check yourself, how urgent it is and which service fits. Free, with no signup.
- Eleven symptoms
- Safety flags
- Free, no signup
What is the system doing?
A guide for safe first checks, not a diagnosis. If you smell gas, leave the house first and call from outside.
- Other causes
- Safe to try first
- Leave to a technician
- Related service
Five checks that solve many calls.
Check the thermostat
Make sure it is on, set to the right mode and has fresh batteries.
Check the filter
A clogged filter causes a surprising number of problems.
Check the breaker
Reset a tripped breaker once, and call if it trips again.
Check vents and returns
Keep them open and unblocked.
Look at the outdoor unit
Clear debris and look for ice, but never open panels.
Get your number
A short visit turns all of this into one written price. Ask for my estimate
Learn more about each one.
Air ConditioningAir Conditioning RepairHot house, cold answers.
Heating and FurnacesFurnace RepairWarm before the pipes get cold.
Heat Pumps and Mini-SplitsHeat Pump RepairBoth seasons covered by one machine.
Thermostats and Smart ComfortThermostat Repair and ProgrammingA small control with a big effect.
Ductwork and AirflowAirflow BalancingBalanced air is the cheapest comfort upgrade.
Maintenance, Emergency and Planning24/7 Emergency HVAC ServiceHVAC emergencies do not keep business hours.Troubleshooting questions
Do you offer 24/7 emergency service?
Yes. Heating and cooling emergencies do not keep business hours, so urgent calls are handled around the clock. Call or text 615-431-3789 and a real person will help.
Why is one room hotter or colder than the rest?
Common causes are undersized or leaky ducts, missing returns, sun exposure, thin insulation and a system that is too large or small. A measurement visit finds the cause, and fixes range from balancing to zoning or a ductless head.
How often should I change my air filter?
Every one to three months for standard one-inch filters, and six to twelve months for deep media filters, with more frequent changes for pets, allergies or dusty homes.
Let us take a look.
A technician will find the real cause and explain the options before any work begins. Emergencies are answered around the clock.