Heating & Air Conditioning in Lower Merion, PA

Cowan Heating & Air Conditioning provides heating and cooling service throughout Lower Merion and the surrounding Pennsylvania area. A dripping condenser, an iced-over coil, or a dead furnace — call and talk to a local tech who's seen it before.

Ductless mini-splits

Single and multi-zone systems for additions, garages, and rooms that never cool right.

Thermostat installation

Smart and programmable thermostat wiring, setup, and configuration.

Emergency service

Urgent no-heat and no-cool calls handled fast, before small faults become failures.

AC installation & replacement

Properly sized new systems with load calculations, from value units to high-SEER equipment.

Duct cleaning & sealing

Airflow restoration and leak sealing to fix uneven rooms and dusty air.

Furnace installation

High-efficiency furnace installs with correct venting, sizing, and thermostat setup.

Heating & Cooling in Lower Merion, Pennsylvania

Pennsylvania winters are long and heating-heavy — Lower Merion homes lean on furnaces and boilers through months of cold, with ridge-and-valley weather adding ice and wide swings. Humid summers then shift the load to cooling, so balanced two-season service is the local pattern. Local providers like Cowan Heating & Air Conditioning understand these conditions and service equipment accordingly.

Common HVAC Problems in Lower Merion

Furnace ignition failures

A furnace that clicks but will not light may have a dirty flame sensor, faulty igniter, or gas supply issue — problems best diagnosed by a trained technician.

Strange noises at startup

Grinding, squealing, or banging at startup often signals worn bearings, a loose blower wheel, or delayed furnace ignition — all worth addressing before they become breakdowns.

Short cycling

A system that starts and stops every few minutes wears out components fast. Causes range from an oversized unit to a faulty thermostat or a clogged condensate switch.

Uneven temperatures between floors

Multi-level homes often suffer hot upstairs rooms in summer. Duct adjustments, zoning dampers, or a ductless unit for the problem area are common solutions.

Why Choose a Local Pennsylvania Company

Local companies live on reputation, and word travels fast in the community when work is done right. Same-area service means faster response when the weather turns and equipment fails at the worst moment. A provider who works these neighborhoods daily has seen your exact system and failure pattern before.

Seasonal Tips for Pennsylvania Homes

If pipes run through unheated spaces, keep the system running at reduced temperature during deep freezes even when away.
Replace the furnace filter before heating season starts — restricted airflow is the top cause of winter no-heat calls.
Seal drafts around doors and windows — reducing heat loss lets the furnace cycle less and last longer.
Test the furnace on the first cool fall day, not the first freezing night, so any repair happens before the rush.

Frequently Asked Questions

Do heat pumps work in Pennsylvania?

Modern cold-climate heat pumps perform well across Pennsylvania's typical temperature range, and they both heat and cool. The right fit depends on your home's insulation and existing ductwork.

How often should I change my air filter?

Every 1–3 months for standard filters, depending on pets, dust, and usage. A clean filter is the cheapest way to protect airflow, efficiency, and indoor air quality.

Should I repair or replace my system?

A common rule: if the unit is past 12 years old and the repair costs more than a third of replacement, replacement usually wins. A technician can weigh age, efficiency, refrigerant type, and repair history for your specific unit.

How can I lower my heating and cooling bills?

Regular maintenance, fresh filters, a programmable thermostat, sealed ducts, and sensible temperature setbacks together typically trim 10–25% off energy use without sacrificing comfort.

Why is my AC running constantly in summer?

During heat waves some runtime is normal, but nonstop operation with poor cooling suggests low refrigerant, dirty coils, duct leaks, or an undersized system. A service visit can pinpoint which.