Wallen Construction Inc.

Name: Wallen Construction Inc.
Address: 530 GRANDVIEW DR SW, DE Smet, SD, 57231, US
Telephone: 605-203-1020

Generator dealerDE Smet, SD

Generac · Select Dealer

530 Grandview Dr Sw, DE Smet, SD 57231

605-203-1020 Directions

Generac 14kW Whole Home Generator, Transfer Switch & Cellular Capability

Featured · GeneracGenerac 14kW Whole-Home Standby GeneratorLowest price in 30 days$4,799−18%List: ~~$5,839~~Price as of Aug 16, 2026 · the price shown on Amazon at checkout applies.See Current Availability

Independent recommendation from GenDealers, sold on Amazon. Not offered or endorsed by WALLEN CONSTRUCTION INC. — contact the dealer directly for equipment and installation quotes.

About Wallen Construction Inc.

A Generac Select Dealer offering sales.

Services: Sales
Authorized for: Generac· Select Dealer

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Independent recommendations from GenDealers — not sold or endorsed by this dealer.

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Generac 22kW Whole Home Generator, Transfer Switch & Cellular Capability

GeneracGenerac 22kW Whole-Home Standby GeneratorWhole-home coverage for larger houses, with the automatic transfer switch and cellular monitoring in the box.

22 kW
ATS included
NG / LP

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Generac 6485 Scheduled Maintenance Kit for 20kW and 22kW Standby Generators with 999cc Engine Black

GeneracGenerac Maintenance Kit — 20kW & 22kWOil, oil filter, air filter and spark plugs for 999cc Guardian units, in one box.

20–22 kW
999cc engine
Kit 6485

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Generac 6484 Maintenance Kit for 12-18 kW Generators

GeneracGenerac Maintenance Kit — 12kW to 18kWEverything the annual service calls for on 12–18kW Guardian units.

12–18 kW
Kit 6484

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Generac 7101 Battery Heater Pad For 9kW–22kW Air Cooled Standby Generators

GeneracGenerac Battery Heater PadKeeps the starting battery warm so the generator cranks on the coldest night — for 9–22kW air-cooled units.

9–22 kW
Cold-weather
Kit 7101

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More generator dealers nearby

Compare Wallen Construction Inc. with other authorized dealers before requesting quotes — most homeowners get two or three.

All dealers in DE Smet, SD Browse South Dakota by city Size your generator first

Wallen Construction Inc. is listed on GenDealers as an authorized Generac generator dealer in DE Smet, SD, offering sales. GenDealers is an independent directory; contact the dealer directly for pricing, availability and installation scheduling.