Furnace Repair

Furnace Leaking Water in Parker, CO

A furnace leaking water in Parker, CO is usually a drainage problem, not a burst pipe. High-efficiency furnaces make water as they run. When that water cannot drain, it ends up on the floor. This can happen in any season, because the AC coil often sits right above the furnace.

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Common causes

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Clogged condensate line. Sludge or algae blocks the small drain pipe.

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Failed condensate pump. If the pump stops, water backs up and overflows.

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Clogged drain. The floor drain or trap the line runs to may be blocked.

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Humidifier leak. A furnace-mounted humidifier can leak from its water line or pad.

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AC coil above the furnace. In summer, the evaporator coil drips into a pan. A cracked or blocked pan leaks onto the furnace.

What to check first

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Turn off the furnace if water is near the electrical parts.

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Look at the condensate pump. If it is full and silent, it may have failed.

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Check the drain line for kinks or a disconnected end.

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Mop up water and watch where it comes back from.

When to call

Call if the leak returns, if the pump is not running, or if water is touching the furnace controls. Water can damage the control board and finished basements. Many Parker, Colorado homes have the furnace in a finished basement, so a small leak can spread under flooring before anyone notices.

A contractor can clear the line, test the pump and check the pan. They can also tell you whether the leak is coming from the furnace side or the AC side.

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You call the line and describe what the system is doing.

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Your call goes to an independent local HVAC contractor who serves Parker.

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The contractor asks a few questions and sets up a visit that suits you.

Frequently asked questions

Why is my furnace leaking water in winter?

High-efficiency furnaces produce condensate while heating. If the drain line, trap or pump is blocked, the water overflows near the furnace.

Yes. The AC coil usually sits on top of the furnace. In summer its drain pan collects water. If the pan or line is blocked, water drips onto the furnace.

If water is reaching wiring or the control board, turn it off and call. A small leak away from electrical parts is less urgent, but it should still be fixed.

Talk to a local HVAC contractor

Water around your furnace in Parker? Call (303) 647-3227. We connect you with an independent local HVAC contractor who can find where it is coming from.

Call (303) 647-3227

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