ProfessionalWater Heater Blanket Wrap

Older water heaters lose heat through their tank walls constantly, making the burner or element work harder to maintain temperature. An insulating blanket slows that heat loss — reducing standby energy use without touching the thermostat. We fit the blanket around the tank, cut openings for controls, and secure it so it stays in place safely.

Also known as: water heater blanket wrap, water heater insulation blanket, tank wrap insulation, water heater jacket, insulate water heater, hot water heater blanket, water heater blanket instalation

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What you get

What’s included

Measure and fit water heater insulating blanket to tank diameter
Cut openings for controls, pressure relief valve, and anode rod access
Secure blanket with the provided tape or straps
Keep all safety labels and pressure relief valve discharge path clear
Check that the blanket doesn't obstruct the pilot light or burner intake on gas units

Simple & stress-free

How it works

Size and fit the blanket

We wrap the blanket around the tank, mark the cutout locations for controls and the T&P valve, and trim the openings before securing.

Secure and seal

We tape the seams and overlap the edges to eliminate air gaps, then check that the pressure relief valve discharge tube is fully unobstructed.

Safety check

On gas water heaters, we confirm the blanket doesn't cover the top flue, the draft diverter, or restrict combustion air at the base.

We can help

Problems we fix

Blankets installed over the T&P valve discharge, which must remain clear for safety
Top of gas water heaters blanketed over the flue — a carbon monoxide risk
Blanket sliding down over time because seams weren't properly taped
Thinner insulating blankets that don't provide enough R-value to make a meaningful difference

Good to know

Water Heater Blanket Wrap — FAQ

Do newer water heaters need a blanket?

Modern water heaters (2015 and newer) have better factory insulation and don't benefit as much from an added blanket. The biggest gains come on tanks 10 or more years old with thin factory insulation.

Is it safe to insulate a gas water heater?

Yes, with proper cutouts. The blanket must not cover the top flue or the air intake at the bottom. We follow the specific guidelines for gas units to avoid any combustion air restriction.

How much energy can this save?

An insulating blanket can reduce standby heat loss noticeably on an older, uninsulated tank — the actual savings depend on the tank age, thermostat setting, and local energy costs. We don't quote specific numbers, but it's a low-cost improvement.

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