Dave Koval Plumbing & HVAC LLC

Dave Koval Plumbing & HVAC LLC I provide plumbing, heating & air conditioning repair and installation services. Military discount, free estimates, emergency & holiday service available.

Licensed and insured. PA110058

Gas fireplace repair & cleaning service for a customer in Dallas. Replaced the pilot assembly and gas valve. Call or m...
03/17/2026

Gas fireplace repair & cleaning service for a customer in Dallas. Replaced the pilot assembly and gas valve.

Call or message for any of your plumbing, heating or air conditioning needs.
570-709-4127

No heat service on a Thermopride mobile home furnace for a customer in Wapwallopen. The customer decided to change out ...
03/17/2026

No heat service on a Thermopride mobile home furnace for a customer in Wapwallopen.

The customer decided to change out the thermostat and hooked up all the wires wrong. It ended up burning up the circuit board and exploding the hot surface ignitor.

I replaced with a new circuit board and new hot surface ignitor. Then I rewired the thermostat correctly and it’s up and running.

Call or message with any of your plumbing, heating or air conditioning needs.
570-709-4127

Bradford White Brute propane fired, high efficiency, combination boiler installed for a customer in Mountain Top. This ...
03/16/2026

Bradford White Brute propane fired, high efficiency, combination boiler installed for a customer in Mountain Top.

This replaced an old oil fired boiler that cracked.

Also installed 120’ of underground propane gas piping and connected to the customer supplied propane tank.

Call or message for any of your plumbing, heating or air conditioning needs.
570-709-4127

New Yorker oil fired boiler with tankless domestic hot water coil installed for a customer in Mountain Top.Call or messa...
03/16/2026

New Yorker oil fired boiler with tankless domestic hot water coil installed for a customer in Mountain Top.

Call or message for any of your plumbing, heating or air conditioning needs.
570-709-4127

Peerless gas steam boiler replacement for a customer in Wilkes-Barre. Their old boiler cracked due to a low water cut o...
02/13/2026

Peerless gas steam boiler replacement for a customer in Wilkes-Barre. Their old boiler cracked due to a low water cut off failure that let the boiler fire with no water.

Added an automatic water feeder as the customer has health issues and walking down the basement is a challenge.

Call for any of your plumbing & HVAC needs.
570-709-4127

Plumbing rough-in for a kitchen renovation for a customer in Mountain Top. Kitchen sink was relocated and needed new wa...
02/13/2026

Plumbing rough-in for a kitchen renovation for a customer in Mountain Top. Kitchen sink was relocated and needed new water and drain piping.

Call for any of your plumbing & HVAC needs.
570-709-4127

Gas fireplace repair & cleaning service for a customer in Shavertown. Replaced the entire gas train assembly due to def...
02/12/2026

Gas fireplace repair & cleaning service for a customer in Shavertown.

Replaced the entire gas train assembly due to defective gas valve that was no longer available. This includes a new gas valve, pilot assembly, burner or***ce and mounting plate. 

Call for any of your plumbing and HVAC needs.
570-709-4127

Gas fireplace repair and cleaning service for a customer in Dallas. This one had a defective pilot assembly. Call for ...
02/12/2026

Gas fireplace repair and cleaning service for a customer in Dallas. This one had a defective pilot assembly.

Call for any of your plumbing & HVAC needs
570-709-4127

Emergency oil burner service in Freeland. Customer says the fire department came because of excessive black smoke billo...
02/12/2026

Emergency oil burner service in Freeland. Customer says the fire department came because of excessive black smoke billowing from the chimney.

I found the Burnham oil fired boiler 100% blocked all the through the heat exchanger age into the chimney.

Gave it a full service complete with new nozzle and filters. Now it’s running like a champ.

Call for any of your plumbing & HVAC needs.
570-709-4127

Repair of a burst hose spigot water line in a garage for a customer in Mountain Top.Added an isolation valve in the base...
02/10/2026

Repair of a burst hose spigot water line in a garage for a customer in Mountain Top.

Added an isolation valve in the basement and insulated the piping.

Call for any of your plumbing or HVAC needs.
570-709-4127

natural gas tankless water heater replacement for a customer in Mountain Top. The old non condensing Rinnai finally h...
02/10/2026

natural gas tankless water heater replacement for a customer in Mountain Top.

The old non condensing Rinnai finally had enough after almost 20 years. The heat exchanger rotted out.

Call for any of your plumbing or HVAC needs.
570-709-4127

Address

Mountain Top, PA
18707

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm
Saturday 8am - 2pm
Sunday 8am - 12pm

Telephone

+15707094127

Website

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