VESTA VRS PLUS-150
0.96 UEF DOE CCD · 2026-09-19Grade A: where this UEF sits among the 397 models in its class, lowest (G) to highest (A). A position, not an official label. How the grade is set
A gas tankless unit, high draw pattern (a larger household, or one where showers and laundry overlap).
If you are verifying the VESTA VRS PLUS-150, a gas tankless unit, it uses 176 therms of natural gas a year. That figure belongs to the high draw pattern, the standard daily hot-water usage DOE tests against. It sits 6 therms below the median of 182 therms for the 397 gas tankless models registered at that pattern.
Energy use per year
176 therms a year
Computed by this site from the registry's UEF and the federal test's daily hot-water draw for this draw pattern. What it costs depends on the natural gas rate where you live.
That is below the median of 182 therms for the 397 models registered in the same heater type and draw pattern; it ranks 12 of 397, lowest energy first.
Solid line: this model (176 therms). Dashed line: the class median.
Min 173 therms Median 182 therms Max 209 therms
What it costs to run where you live
What the registry files
- UEF (Uniform Energy Factor) how much hot water you get for each unit of energy the heater uses
- 0.96 DOE CCD · 2026-09-19 Compared only with other models registered as a gas tankless unit at the high draw pattern.
- Draw Pattern the standard daily usage profile DOE tests the unit against
- High DOE CCD · 2026-09-19
- Maximum Gallons Per Minute how many gallons a minute it can heat while running continuously
- 4.6 gal/min DOE CCD · 2026-09-19
What it costs to install
$2,405–$3,460 installed
Not a quote — a modeled range of what installers have charged for this class of unit; your price will vary with labor rates, access, and local code requirements.
Escalation indexes: equipment (BLS PPI) latest available: August 2026; labor (BLS ECI) latest available: April 2026 to June 2026.
NLR REMDB (BLS PPI/ECI escalated) · 2026-04-01Safety record
- VESTA.DS recalls VST brand tankless water heaters 2025-10-16 Covers some units only: Units sold November 2018 through April 2022. Check the serial number on your rating plate.
Checked against the CPSC recall database. CPSC does not publish a model-level match for this product category, so this list is curated by hand from the manufacturer's recall filings.
CPSC · 2026-09-24What these figures mean
How this compares
The closest models in the same class — same fuel, type and draw pattern.
Keep going
How every figure on this page is calculated
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Find what replaces your water heater
Enter the model number off your old unit and see what is on file today, with the yearly cost difference.
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Find a water heater that fits
Three questions — fuel, hot water need, install space — narrow every model on file to the ones that fit.
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What a water heater costs to run
Prices a unit's efficiency against your own utility's filed tariff for your ZIP code.
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How to size a tankless water heater by GPM
Answered from what models in this size actually file.
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Water heaters
Every model on file with the Department of Energy, by heater type.
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All gas tankless water heaters
Gas-fired instantaneous units, sized by flow rate rather than tank gallons.
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Every VESTA model on file
What this brand files, by heater type.
UEF 0.96 · Grade A Price it on your ZIP
The 176 therms figure is computed by this site and is not published by the registry. It combines the registry's UEF, the ratio of hot water delivered to energy used, with the DOE test's daily draw. For this model the UEF is 0.96, and the draw is the one set for the high pattern. The registry data come from DOE CCD, retrieved 2026-09-19. Your own use will differ if your household draws more or less hot water than the test assumes. This page does not estimate that difference. The full method is set out on the page on how the annual cost is calculated.
Against its class, the VESTA VRS PLUS-150 ranks 12th lowest in energy use of 397 models. That places it in the lowest quarter of its class, 6 therms below the 182 therms median. The class holds only gas tankless units tested at the high draw pattern, so each model is compared at the same test condition. The high pattern describes a larger household, or one where showers and laundry overlap. Its maximum flow rate in gallons per minute is 4.6, as listed in the registry. For a smaller household with lighter use, the high pattern figure is not the matching test condition. For other needs, see the water heater selector by fuel, space and size.
The running cost of 176 therms of natural gas a year at the high draw pattern is not stated in this text. It depends on your state's average residential gas price, so the page computes it from your ZIP. Any cost difference from the 6 therms gap below the class median also depends on that rate, and is not given here. You can enter a ZIP in the cost calculator on your own ZIP to see the figure for your state's rate. The installed price range appears in its own block, with its source and date. It is a modeled installed-cost range, not a quote. If you are matching a replacement, you can find a same-class replacement by model number.
DOE CCD · 2026-09-19