How much does water heater replacement cost in Mercedes, TX? At All Valley Plumbing & A/C Co., water heater replacement in Mercedes, TX costs $1,456.86 to $2,412.30 installed (prices updated September 22, 2026), posted upfront with no sales visit.
We serve Mercedes homes from the historic districts around Texas Avenue to neighborhoods near Heidelberg Park and the Interstate 2 corridor, with upfront prices for common plumbing and air conditioning work.
Service is scheduled from our McAllen office at 2505 Buddy Owens Blvd Suite E.
Quick answer
At All Valley Plumbing & A/C Co., water heater replacement in Mercedes, TX ranges from $1,456.86 to $2,412.30 (prices updated September 22, 2026). You can see your exact price online and book without a sales visit, and your price is approved before any work begins. Call 956-686-6656 if you would rather talk to someone.
See your price before anyone comes out. No sales visit, no upsell — your price is approved before work begins.
Website Special pricing applies when you book online or mention our website pricing when you call. Standard pricing applies otherwise.
| Service | Price |
|---|---|
| 30 gal Medium | Standard $1,680Website Special $1,456.86You save $223.14Calling? Just say 'Website Special.' |
| 30 gal Tall | Standard $1,740Website Special $1,511.85You save $228.15Calling? Just say 'Website Special.' |
| 40 gal Medium | Standard $1,700Website Special $1,475You save $225Calling? Just say 'Website Special.' |
| 40 gal Tall | Standard $1,755Website Special $1,525You save $230Calling? Just say 'Website Special.' |
| 50 gal Medium | Standard $1,750Website Special $1,519You save $231Calling? Just say 'Website Special.' |
| 50 gal Tall | Standard $1,805Website Special $1,569You save $236Calling? Just say 'Website Special.' |
| 30 gal | Standard $2,125Website Special $1,843.98You save $281.02Calling? Just say 'Website Special.' |
| 40 gal | Standard $2,020Website Special $1,754.55You save $265.45Calling? Just say 'Website Special.' |
| 50 gal | Standard $2,775Website Special $2,412.30You save $362.70Calling? Just say 'Website Special.' |
| 18 KW | Standard $1,930Website Special $1,677.50You save $252.50Calling? Just say 'Website Special.' |
| 27 KW | Standard $2,310Website Special $2,006.36You save $303.64Calling? Just say 'Website Special.' |
| 36 KW | Standard $2,665Website Special $2,313.50You save $351.50Calling? Just say 'Website Special.' |
Prices last updated: September 22, 2026
In most cases, your water heater will be replaced with a Rheem unit of the same size and capacity. If a different brand or size is needed, we'll show you the price and you approve it before any work begins.
We replace water heaters in homes near Downtown Mercedes Historic District, Texas Avenue and Missouri Historic District. Before the visit, the online tool helps identify the tank size and shows the matching installed price.
Choose the service online and review the posted price or range. If the work needed falls outside that scope, you see and approve the new price before any work begins.
Downtown Mercedes Historic District, Texas Avenue, Missouri Historic District, Ohio Historic District, Elks Club Building, Heidelberg Park, Interstate 2 corridor.
See the posted price, approve it, and book online. No sales visit.
40-gallon electric (Medium): Standard $1,700Website Special $1,475You save $225Calling? Just say 'Website Special.'
