Install & Repair All Commercial Rooftop Units
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Commercial rooftop HVAC unit installation and repair costs in Washington typically range from $2,500 to $35,000 per project, depending on system size, complexity, and scope of work. Installation projects generally cost more than repairs, with new unit installations averaging $7,500 to $35,000 while repair services typically range from $2,500 to $10,000.
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$2,063.68
Total Estimate Amount
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This is a Preliminary Estimate
This estimator provides a starting point based on typical jobs. Actual costs may vary based on site conditions, material availability, permit requirements, and other factors discovered during work. We recommend a site visit before providing final pricing to customers.
This estimate is based on typical job parameters. Review and adjust for your specific situation. Standard market rates for your region, mid-grade materials unless specified, standard business hours labor rates, typical job complexity without major complications, basic cleanup included in labor time.
Job complexity
Simple repairs cost less than full installations or replacements. Multi-step jobs requiring permits or inspections add to the total.
Material quality
Budget, mid-grade, and premium materials can swing the price significantly. Discuss options with your contractor to find the right balance.
Local labor rates
Labor costs vary by region, season, and demand. Urban areas and peak seasons typically have higher rates than rural or off-peak times.
Site conditions
Difficult access, older structures, code upgrades, or unexpected issues discovered during work can increase the final cost.
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Common questions about costs and estimates for this service.
Commercial rooftop unit installation in Washington typically costs between $7,500 and $35,000, with most projects averaging $16,250. Costs vary based on unit size, complexity, electrical requirements, and site-specific factors like rooftop access and permit requirements.
Basic commercial rooftop unit repairs range from $2,500 to $8,000, while major repairs involving compressors or heat exchangers can cost $5,000 to $15,000. Emergency after-hours service typically adds 25-50% to standard repair costs.
Additional costs include permits ($500-$2,000), crane rental for rooftop access ($1,200-$3,200), electrical upgrades ($2,500-$6,000), ductwork modifications ($2,000-$8,000), and control system integration ($1,500-$4,000).
Washington state energy codes, seismic requirements, and local permits can add $3,000-$7,000 to projects. Seattle and major cities have additional requirements for efficiency ratings and building automation that may increase costs by another $2,000-$5,000.
Off-season installations (October through April) can save 10-15% on labor and equipment costs due to lower demand. Peak season (May-September) typically sees 15-25% higher pricing due to increased demand for commercial HVAC services.