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Best Insulation Contractors in Sparta, TN (2026)

5 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Sparta: Volunteer Spray Foam, CR Score 58/100; 5.0★ from 21 Google reviews.

  2. 5

    Best for emergencies (open 24/7): 360 Construction and Insulation, posts 24/7 hours; ranked #5 of 5.

  3. 2

    Most-reviewed: Energy 1 Foam insulation llc, 33 Google reviews at 4.6★, the most of 5 ranked; ranked #2.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

5 Sparta insulation contractors are ranked here by CR Score, from ten published factors. 1 is open 24/7 and 2 open Saturdays, based on posted hours. The median Google rating is 4.6★ across 5 rated businesses.

Top 5 insulation contractors in Sparta at a glance

Top 5 insulation contractors in Sparta at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Volunteer Spray Foam585.0★ (21)Cookeville, 8 mi away—Overall
2Energy 1 Foam insulation llc554.6★ (33)Cookeville, 21 mi away—Most reviews
331-W Insulation543.3★ (18)Cookeville, 14 mi awaySat—
4Extreme Spray Foam of Cookeville545.0★ (19)Cookeville, 19 mi away——
5360 Construction and Insulation532.8★ (5)Cookeville, 16 mi away24/7Emergencies

The 5 best insulation contractors in Sparta, ranked

Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.

Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  3. #3 31-W Insulation

    Based in Cookeville, 14 mi away

    54/100CR Score

    Ranked #3 because of its Google rating and trade focus: 3.3★ from 18 Google reviews, listed on Google as “Insulation contractor”.

    • 3.3★ from 18 Google reviews
    Hours
    Mon–Fri 7 AM–5 PM · Sat 7 AM–12 PM · Sun closed
    Address
    1953 Burgess Falls Rd, Cookeville, TN 38506
    View profile for 31-W Insulation(931) 432-8288

How much do insulation contractors cost in Sparta?

National price ranges in USD, not adjusted for Sparta. Each row names its basis and the month we checked it.

How much do insulation contractors cost in Sparta?
JobLowTypicalHighBasisChecked
Attic insulation$1,700$2,100$2,500Per attic: typical range of customer-reported jobs (about $1 to $3 per sq ft). US national rangeOctober 2026

How we ranked Sparta insulation contractors

We scored 5 Sparta insulation contractors on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 22, 2026.

Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Sparta data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

Insulation contractors in Sparta: frequently asked questions

Who is the best insulation contractor in Sparta?

By CR Score, the highest-ranked insulation contractor in Sparta, TN is Volunteer Spray Foam with a CR Score of 58/100. It has 5.0★ from 21 Google reviews. Energy 1 Foam insulation llc (#2) and 31-W Insulation (#3) follow. We ranked 5 insulation contractors on ten factors, last updated October 22, 2026.

Which insulation contractors in Sparta are open 24/7?

1 ranked insulation contractor in Sparta posts 24/7 hours. The highest-ranked is 360 Construction and Insulation (#5). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which insulation contractors in Sparta work on weekends?

2 of 5 ranked insulation contractors post Saturday hours. The highest-ranked open Saturdays are 31-W Insulation (#3) and 360 Construction and Insulation (#5). Posted hours are office hours; crews may book weekend jobs separately.

How much does attic insulation cost in Sparta?

Attic insulation typically costs $1,700 to $2,500, with $2,100 typical (Per attic: typical range of customer-reported jobs (about $1 to $3 per sq ft). US national range). This is a national range, not adjusted for Sparta. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Sparta insulation contractors have?

The median Google rating among 5 rated insulation contractors in Sparta is 4.6★, with a median of 19 reviews. Energy 1 Foam insulation llc has the most, 33 reviews, and ranks #2. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does ContractorsRanked rank insulation contractors?

Each insulation contractor gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Do insulation contractors outside Sparta count in this ranking?

Yes, if they are within 25 mi of the Sparta city center, our service radius for insulation contractors. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.

Can insulation contractors pay to rank higher on ContractorsRanked?

No. The CR Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured businesses may appear above the list, labelled Featured and showing their honest rank.

Update log for Sparta

  1. October 2026: CR Scores recalculated for 5 insulation contractors serving Sparta.

More insulation contractors and Sparta pages

Other trades in Sparta