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Why Is My RV Furnace Blowing Cold Air?

An RV furnace usually blows cold air because the blower is running but the propane burner is not igniting or staying lit. Common causes include low propane, weak 12-volt power, restricted airflow, an...

13,500 BTU vs 15,000 BTU RV Air Conditioner

A 13,500 BTU RV air conditioner is usually enough for smaller or moderately sized RVs with reasonable insulation, while a 15,000 BTU RV AC gives you about 11% more cooling capacity for larger rigs...

Should You Run an RV Dehumidifier With the Air Conditioner?

Yes, you can run an RV dehumidifier with the air conditioner when indoor humidity stays high. However, you usually do not need both if your RV AC already keeps relative humidity around 40% to 55%...

Where Should You Place a Dehumidifier Inside an RV?

For most RVs, you should place a dehumidifier in a central, open part of the main living area. Keep it on a stable, level surface with enough clearance around the air intake and exhaust. If one room...

Why Is My RV Dehumidifier Running but Not Collecting Water?

Your RV dehumidifier may run without collecting water because the air is already dry, the humidity setting is too high, or airflow is restricted. Cold temperatures, frozen coils, a misplaced water...

Why Is My RV Mattress Wet Underneath?

Your RV mattress is usually wet underneath because warm, humid indoor air reaches the colder bed platform and condenses. Solid plywood bases make the problem worse because they trap moisture beneath...

How Can You Prevent Mold From Growing Under an RV Mattress?

You can prevent mold under an RV mattress by improving airflow beneath the bed, keeping indoor humidity around 30–50%, and stopping condensation or leaks. A ventilated mattress pad, slatted base, or...

Why Does My RV Thermostat Show the Wrong Temperature?

An RV thermostat can show the wrong temperature because of poor sensor placement, direct sunlight, hot or cold wall cavities, nearby vents, calibration errors, unstable 12V power, loose connections...

Why Is My RV Thermostat Screen Blank?

Your RV thermostat screen is usually blank because it has lost 12-volt DC power. A weak house battery, blown fuse, disconnected battery switch, loose wiring, converter problem, or failed thermostat...
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