Heat Pump Water Heater Installation cost: Knoxville vs Memphis (2026)
The two metros aren't quite in sync on heat pump water heater installation: Knoxville sits 3% below Memphis, or roughly $3,300 versus $3,400 — about $100 apart.
Knoxville TN
Lower costTypically around $3,300
Memphis TN
Typically around $3,400
Knoxville vs Memphis: full breakdown
| Factor | Knoxville | Memphis |
|---|---|---|
| Typical 2026 cost | $3,300 | $3,400 |
| Estimated range | $2,300–$4,300 | $2,350–$4,400 |
| Labor index (vs US) | ×0.95 | ×0.96 |
| Climate zone | Mixed | Mixed |
| Climate factor | ×1 | ×1 |
| Local permit | $125 | $150 |
| Labor share | $1,800 | $1,850 |
| Materials/equipment | $1,500 | $1,550 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national heat pump water heater installation range for local labor, climate and permits.
How much should this gap actually matter?
That 3% gap is small — for heat pump water heater installation it's usually less than the spread between two local contractors' quotes, so the metro matters far less than who you hire and when you buy.
Heat pump water heater installation by type: Knoxville vs Memphis
Every heat pump water heater installation type gets its own localized price for each metro, using the same labor, climate and permit adjustments — a true apples-to-apples comparison.
| Type | Knoxville | Memphis |
|---|---|---|
| 40–50 gallon | $2,300–$3,750 | $2,350–$3,800 |
| 65–66 gallon | $2,800–$4,100 | $2,850–$4,200 |
| 80 gallon | $3,250–$4,800 | $3,300–$4,850 |
Heat pump water heater installation numbers here are 2026 planning ranges, adjusted per city — useful for budgeting, not a substitute for an actual quote.
Heat pump water heater installation by tank capacity: Knoxville vs Memphis
Hybrid heat pump water heaters use a storage tank, so they're sized in gallons by household — but because they recover heat efficiently, a 50-gallon hybrid often serves a home that needed a 65–80 gallon electric tank.
| Size | Knoxville | Memphis |
|---|---|---|
| 40 gal (1–2 people) | $2,100–$3,550 | $2,150–$3,600 |
| 50 gal (2–4 people) | $2,300–$3,950 | $2,350–$4,000 |
| 65 gal (4–5 people) | $2,700–$4,100 | $2,750–$4,200 |
| 80 gal (5+ people) | $3,000–$4,300 | $3,050–$4,400 |
Treat these as 2026 localized estimates for heat pump water heater installation, not quotes from a contractor.
What water heaters pros earn in each metro
With labor making up about 55% of a heat pump water heater installation job, wage differences between metros do most of the work here. These figures are real BLS OEWS installer wages, not modeled estimates.
No BLS metro wage series for Knoxville; we use Tennessee regional price parity instead.
Memphis metro · about 7% below the US average installer wage.
Source: U.S. Bureau of Labor Statistics, OEWS metro wages for HVAC installers (used as a trade-labor index).
Cheapest time for heat pump water heater installation in either city
Why winter is expensive: it's failure season, when cold groundwater stresses old units and emergency calls flood in. A 10+ year-old tank replaced proactively, before it dies, skips that spike completely.
Tank or tankless — and what should you budget?
Three formats, three very different cost profiles. Our editors on how to decide which one actually fits your household.
The tankless case
The tankless premium buys longevity and endless supply: nothing sitting hot around the clock, a lifespan roughly double a tank's, and no cold showers when demand spikes. The catch lives in the setup, since most retrofits need a bigger gas line or an electrical upgrade first. Larger households planning to stay put recover that cost fastest.
The heat-pump case
A hybrid heat-pump unit carries the steepest sticker price and draws the largest utility rebates on the market, then pays that back by pulling warmth from the surrounding air instead of generating heat — operating cost falls to a fraction of a standard electric tank's. The condition is location: it wants a roomy, temperate spot like a garage or basement to perform.
The simple-swap case
A matching tank replacement skips every costly upgrade that comes with changing formats. Same footprint, same connections, same vent, so labor stays low and the crew is usually gone by midday. It's the obvious answer when the budget is thin and the old setup was never the problem.
Think of it as three different bets: tank is the safe, cheap one; tankless bets on convenience; heat-pump bets on the lowest operating cost and the best rebates. Pick the bet that matches your plans.
Knoxville vs Memphis
Is heat pump water heater installation cheaper in Knoxville or Memphis?
Knoxville comes out ahead here, at roughly $3,300 for heat pump water heater installation compared with $3,400 in Memphis — a 3% ($100) gap as of 2026.
Why does heat pump water heater installation cost more in Memphis than Knoxville?
Memphis's higher labor index (0.96 vs 0.95 in Knoxville) is the biggest factor, with the mixed/mixed climate split and permit fee differences playing a smaller role.
How much is heat pump water heater installation in Knoxville, TN?
heat pump water heater installation in Knoxville runs $2,300–$4,300 as of 2026 — most jobs land near $3,300.
When is the cheapest time to buy heat pump water heater installation — and does it differ by city?
It doesn't vary by location — Spring and early fall is the discount window in both Knoxville and Memphis (roughly 5–10% off), while deep winter (failure season) tends to be the most expensive in either city.
Should I choose where to live based on heat pump water heater installation cost?
Probably not. Yes, $100 is a real gap, but it's a one-time cost you can partly offset in Memphis with off-season timing and tighter bids. Long-term factors like energy prices and home condition matter more than this one number.
Compare heat pump water heater installation in other cities
Updated June 2026 · By Serhat Özçelik