Flat-rate pricing

Clear pricing, no surprises.

Flat rates on common work, $175/hour for everything else, and travel shown as its own line. Anything custom gets a free written estimate.

Request a quote or text (603) 505-1091 or call (603) 296-8580

Project questions welcome — start with your scope.Free estimates · clear scope before work

Rated 4.9★ by verified customers·Licensed & insured New Hampshire company

NH Registered

Fully Insured

Licensed Trades

24/7 Emergency

New Hampshire based

Cairn Home Co. LLC, a registered NH company in Windham, serving southern NH and northeastern MA.

Fully insured

General-liability coverage on every job, in every home.

Licensed trades

Electrical and plumbing performed by NH state-licensed professionals.

One company

Smart home, build, and care — one accountable point of contact.

Labor rate

Billed for the time on site. Travel is its own line at $2 per mile round trip from Windham. Licensed electrical and plumbing visits have their own minimums, listed below.

$175/hour

Irrigation & Sprinklers

Rain Bird & Hunter systems. Common heads and fittings brought to the visit.

Spring system start-up & activation · up to 8 zones, +$12 per zone over 8$119
Fall winterization / blowout · up to 8 zones, +$12 per zone over 8$119
Spring + Fall care plan · start-up + winterization, both booked for you$219 per year
Sprinkler head replacement · standard spray or rotor head included; added to any visit$65 per head
Zone diagnostic & repair (first hour) · $175/hr after; valves and parts additional$175
Smart timer install & setup (Rain Bird / Hunter) · controller + app setup; timer extra$189

Plumbing & Water

Licensed, insured plumbing partners. You get the price before any work starts.

Plumbing visit, licensed plumber (first 3 hours) · most repairs fit: drains, faucets, toilets, shut-offs; $175/hr after, parts extra$525
Water heater replacement (tank) · like-for-like 40-50 gal swap, standard hookups, haul-awayfrom $2,650
Water softener install · whole-home, standard plumbingfrom $2,850
Nights, weekends & holidays · quoted when you callCall for flat rate

Electrical

Licensed electrical partners. Permits and inspections handled for you.

Electrical visit, licensed electrician (first hour) · outlets, switches, fixtures, breakers; $175/hr after, parts extra$425
Whole-home surge protection · Type 2 device, installed at panel$649
EV charger install (existing capacity) · dedicated 240V circuit, short run, panel has room; charger + permit extrafrom $1,195
Panel upgrade to 200A · includes permit + inspection coordinationfrom $3,900
Standby generator install · turnkey: unit, pad, transfer switch, gas + electricalfrom $11,500

Smart Home & AV

Clean installs, set up and tested before we leave.

TV mounting, up to 75" · your mount, drywall over wood studs$249
In-wall power + cable conceal · added to a TV mount; kit included$150 add-on
Large TV mounting, 76" and up · two technicians; brick, stone + fireplace quotedfrom $549
Smart lock / video doorbell install · existing wiring; transformer upgrade extra$175 per device
Wi-Fi access point install · labor; cabling runs quoted by length$179 per AP

Heating & Cooling (HVAC)

EPA-certified HVAC partners. Diagnosis first, then a firm price for the repair.

AC service call & diagnosis · credited toward the repair when you proceed$175
AC capacitor replacement · tested + matched microfarad; most common no-cool fix$289
AC contactor replacement$249
AC tune-up & maintenance$175
Refrigerant recharge · by refrigerant type + charge; leak search quotedfrom $275
Smart thermostat install · Ecobee / Nest / Honeywell; C-wire add extra$199
Ductless mini-split install (single zone)from $4,500
Central AC system replacement · load-sized; financing availablefrom $7,500

Exterior & Roofing

Siding, roofing, gutters, windows, and doors by licensed, insured exterior crews. Full replacements get a free written proposal — the figures below are starting points.

Siding replacement · vinyl; fiber-cement (Hardie) + cedar quoted by materialfrom $12,000
Siding repair / storm damage · color-matched; claim docs providedfrom $450
Roof replacement (architectural shingle) · size + pitch dependent; financing availablefrom $9,500
Roof repair / leak · emergency dry-in availablefrom $450
Seamless gutters · by linear footage; guards extrafrom $1,200
Replacement window (installed) · per window; triple-pane + large units morefrom $650
Exterior / entry door replacementfrom $1,200
Bulkhead door replacement, steel (Gordon) · installed, sealed + fastened; primed, or painted from $2,065from $1,825
Bulkhead door replacement, Bilco · factory finish or Ultra Series; sized to your foundationfrom $2,620
Exterior painting · wall area, incl. prep + premium paint; trim/decks quoted$3.50 per sq ft
Fascia / soffit wrap · aluminum/PVC; rot repair quoted separately$18 per ft

By the square foot

For larger surface work we price by the square foot so you can estimate before we measure.

Interior painting · walls, 2 coats incl. premium paint; ceilings & trim extra$3.50 per sq ft
Luxury vinyl plank (LVP) install · install labor; flooring material separate$4 per sq ft
Hardwood floor install · install labor; flooring material separate$6 per sq ft
Tile install (floor or wall) · install labor incl. prep; tile + setting materials separate$15 per sq ft

Average project cost

Real planning ranges for full renovations in the Windham NH corridor — your written estimate is exact and always free.

Bathroom remodel · midrange finishes (NH/MA); full gut or luxury higher$15,000–$25,000
Kitchen remodel · midrange to semi-custom cabinetry + stone counters$35,000–$75,000

Every quote lists labor, parts and travel ($2 per mile round trip from Windham) as separate lines, and the price is set before work starts. Prices vary with site conditions, and your written estimate is always free.

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Get your free estimate

Tell us what you need and we'll get you a clear, flat-rate quote fast.

— Same-day response on most requests
— Licensed, insured, and accountable
— Clear pricing before any work begins