Heat Pump in Greater Zionsville Area
Need reliable heat pump help with clear options and no pressure? Johnson Heating, Cooling, and Plumbing services, repairs, and installs heat pumps the right way. Cost and timing are explained upfront by NATE-certified techs. Serving the Greater Zionsville Area, including Indianapolis, Carmel, and Greenwood. Rated 4.9 from 1,622 reviews. Before winter sets in, schedule a tune-up to stay efficient. Call (317) 406-4659 or book online today.
Why Choose Us
NATE-certified technicians
Licensed, bonded, insured
Decades of local experience
Industry-leading guarantees
Highly rated service
What Our Customers Say
professionalism
“Lucas, our technician did a very thorough job of tuning up our heat pump and answered all of my questions.”
value
“Professional job installing mini split. On time service. Great price.”
quality
“Roy did a great job servicing our furnace and a/c-heat pump.”
A heat pump that is not cooling on hot days usually points to an airflow restriction or a refrigerant-side issue. Airflow reduction is the most common summer cause because the system cannot shed heat fast enough under heavy load. Low refrigerant, weak fan motors, or control problems can also appear only when outdoor temperatures spike. One technician cue: a system that cools at night but not in the afternoon often has a marginal charge or coil that’s loading up with heat. Our team regularly sees these patterns during Indianapolis heat waves and resolves them with cleaning, testing, and proper charging. For urgent no-cool situations, emergency heat pump repair is available.
Try these quick checks before calling:
- Replace the air filter and confirm all supply and return vents are open.
- Gently hose debris from the outdoor coil fins (power off first).
- Set thermostat to Cool and fan to Auto; confirm the outdoor fan spins.
- If you see ice, repeated breaker trips, or loud humming/clicking, stop using and call for service.
If the outdoor coil feels very hot but indoor air stays warm, turn the system off to prevent damage and schedule a diagnostic.
Updated: 2026-04-04
Need help in Indianapolis, IN? Call 317-830-5862 or book online.
Still have questions?
Have questions or need service? Contact our team today to discuss your needs, request a quote, or schedule an appointment.
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