Heat Pump Water Heater Installation cost: Collierville vs Knoxville (2026)
The two metros aren't quite in sync on heat pump water heater installation: Collierville sits 3% above Knoxville, or roughly $3,400 versus $3,300 — about $100 apart.
Collierville TN
Typically around $3,400
Knoxville TN
Lower costTypically around $3,300
Collierville vs Knoxville: full breakdown
| Factor | Collierville | Knoxville |
|---|---|---|
| Typical 2026 cost | $3,400 | $3,300 |
| Estimated range | $2,350–$4,400 | $2,300–$4,300 |
| Labor index (vs US) | ×0.96 | ×0.95 |
| Climate zone | Mixed | Mixed |
| Climate factor | ×1 | ×1 |
| Local permit | $150 | $125 |
| Labor share | $1,850 | $1,800 |
| Materials/equipment | $1,550 | $1,500 |
These are 2026 planning figures for heat pump water heater installation, localized to each city — not formal quotes.
Is the gap worth worrying about?
3% is within noise for heat pump water heater installation — contractor selection and timing move the price more than which of these two metros you're in.
Heat pump water heater installation by type: Collierville vs Knoxville
We localize each heat pump water heater installation type separately for both metros, applying the same labor, climate and permit adjustments each time, so you're comparing like for like.
| Type | Collierville | Knoxville |
|---|---|---|
| 40–50 gallon | $2,350–$3,800 | $2,300–$3,750 |
| 65–66 gallon | $2,850–$4,200 | $2,800–$4,100 |
| 80 gallon | $3,300–$4,850 | $3,250–$4,800 |
These are 2026 planning figures for heat pump water heater installation, localized to each city — not formal quotes.
Heat pump water heater installation by tank capacity: Collierville vs Knoxville
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 | Collierville | Knoxville |
|---|---|---|
| 40 gal (1–2 people) | $2,150–$3,600 | $2,100–$3,550 |
| 50 gal (2–4 people) | $2,350–$4,000 | $2,300–$3,950 |
| 65 gal (4–5 people) | $2,750–$4,200 | $2,700–$4,100 |
| 80 gal (5+ people) | $3,050–$4,400 | $3,000–$4,300 |
All figures are 2026 localized planning estimates for heat pump water heater installation — get an actual quote before you commit.
What water heaters pros earn in each metro
Roughly 55% of what you pay for heat pump water heater installation is labor, which is why local wages explain most of the price gap. The numbers below are actual metro wages for skilled installers, sourced from BLS OEWS — not guesses.
Memphis metro · about 7% below the US average installer wage.
No BLS metro wage series for Knoxville; we use Tennessee regional price parity instead.
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
Tanks fail most in winter when incoming water is cold and demand is high — emergency-rate territory. Replacing a 10+ year-old unit proactively in a slow month avoids the premium.
Tank or tankless — and what should you budget?
Tank, tankless or heat-pump — the format you pick shapes the bill today and the utility bill for years after. Our editors weigh the trade-offs.
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.
The heat-pump case
For the lowest running cost of the three, the heat-pump water heater wins outright, and where utilities offer incentives the rebates behind it are the richest available. You pay for that advantage up front, and the unit needs the right home — a warm, well-ventilated area with real clearance. Wedge it into a tight closet and the savings disappear.
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.
Budget and time horizon settle this more than any spec sheet. A tank clears the lowest hurdle, tankless buys convenience and a longer life, and a heat-pump chases the cheapest years of operation once it has the space to run.
Collierville vs Knoxville
Is heat pump water heater installation cheaper in Collierville or Knoxville?
Knoxville comes out ahead here, at roughly $3,300 for heat pump water heater installation compared with $3,400 in Collierville — a 3% ($100) gap as of 2026.
Why does heat pump water heater installation cost more in Collierville than Knoxville?
The main driver is local labor rates: Collierville's labor index is 0.96 versus 0.95 in Knoxville. Climate zone (mixed vs mixed) and permit fees also shift the total.
How much is heat pump water heater installation in Collierville, TN?
Expect to pay $2,350 to $4,400 for heat pump water heater installation in Collierville in 2026, averaging around $3,400.
When is the cheapest time to buy heat pump water heater installation — and does it differ by city?
Timing doesn't change by city here — Spring and early fall is the cheapest window in both Collierville and Knoxville, saving roughly 5–10%. Avoid deep winter (failure season) in either location, when emergency replacements push prices up.
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 Collierville 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