Heat pump covered in ice
A failed defrost sensor, defrost board or low refrigerant charge stops the unit from clearing frost.
Heat Pump RepairOshtemo Township, just west of Kalamazoo, mixes apartment and condo communities, newer subdivisions and country lots, so a single day there can bring a heat pump, a gas furnace and a propane unit.

Oshtemo sits on the west side of Kalamazoo in ZIP 49009, a short drive from our S Rose Street office. The township has grown quickly, with rental communities and condos near the busier roads, family subdivisions behind them and rural properties toward the western edge. Our technicians cover all of it, and they explain the problem and the price before starting any repair.
Because so much of the township was built in the last few decades, many homes here run modern equipment, including heat pumps, high-efficiency furnaces and variable-speed blowers. Those systems are efficient but more sensitive to dirty filters, low refrigerant and control faults. We carry the diagnostic tools and parts they need, along with propane parts for the country homes farther out.
Condos and townhomes in Oshtemo often use compact air handlers or heat pumps tucked into closets, with outdoor units grouped on a slab outside. Space is tight, and filter changes get skipped more than in a house with a basement. A heat pump that has gone without care can lose capacity or ice up in winter. We service these units in the space they have and note any filter sizes so you can stock the right ones.
Subdivisions across the township mostly hold two-story and ranch homes with high-efficiency gas furnaces and central air, plus a growing number of heat pumps. Farther west, rural lots may heat with propane and pair it with a heat pump to lower fuel costs. For those homes, a dual-fuel system lets the heat pump carry milder days. We set the switchover point based on your equipment and fuel prices, not a factory default.

Oshtemo is on the side of Kalamazoo that faces the incoming lake-effect snow, so outdoor heat pumps and side-wall furnace vents here can get buried quickly during a heavy band. Heat pumps rely on regular defrost cycles to clear frost from the outdoor coil, and a failed defrost sensor or board leaves the unit coated in ice. Summers are humid, and closet air handlers in condos work hard to keep up on the hottest days.
Oshtemo Township is served from our main office at 327 S Rose Street, only a short drive east, so most calls get a quick visit. Our phone at (269) 360-5258 is answered 24/7 by our own team. For condos and rental communities, let us know the building and unit details and any access instructions, so the technician can get to the equipment without delay.
Common calls
A failed defrost sensor, defrost board or low refrigerant charge stops the unit from clearing frost.
Heat Pump RepairClogged filters, frozen coils and drain clogs are common in tight closet installations.
AC RepairWrong wiring or settings on a new thermostat can lock out the heat pump or run the backup heat nonstop.
Smart Thermostat InstallationCountry homes on the west side need regulator, burner and ignition service on propane units.
Propane Furnace ServiceTight, newer houses can trap moisture and odors without balanced ventilation.
ERV & HRV VentilationFAQ
Some frost is normal, and the unit should clear it on a defrost cycle. If the outdoor coil stays coated with ice, a defrost sensor, board or low refrigerant charge is usually to blame. Snow piled around the unit can also block airflow. Shut it off to avoid damage and call us so we can find the cause.
Yes. We work on the compact air handlers, heat pumps and furnaces common in Oshtemo condos and townhomes. Those units often sit in closets with limited access, so we bring the right tools for tight spaces. If your community has rules on outdoor unit placement, we work within them when replacing equipment.
For many newer Oshtemo homes, yes. Cold-climate heat pumps handle much of the heating season and also provide central air in summer. Homes with gas or propane often keep the furnace as backup for the coldest nights. We look at the house size, ductwork and fuel to see whether it fits.
Call (269) 360-5258. Our Kalamazoo office answers 24/7 and books the next open technician.