Relative Heating and AIr
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Relative Heating and Air operates as a residential HVAC consulting and design firm serving homeowners throughout the Irmo area and neighboring communities. With a perfect 5.0-star rating accumulated across 32 customer reviews, the company has established itself as a trusted resource for homeowners undertaking new construction projects or system upgrades. The business is led by Michael, a mechanical engineer holding a Bachelor of Science degree and LEED accreditation who brings over two decades of hands-on HVAC experience spanning design work, installations, inspections, project management, failure analysis, and energy cost studies. The firm differentiates itself by functioning primarily as an HVAC design consultancy, assisting homeowners and their chosen contractors with load calculations, system sizing, and duct layout specifications rather than performing hands-on installation work.
What distinguishes Relative Heating and Air from typical HVAC contractors is their engineering-focused methodology and commitment to precision. The team employs Manual J, Manual S, and Manual D calculations to EnsureEach system's capacity matches the specific thermal demands of a residence. This analytical approach appeals particularly to homeowners constructing new homes or undertaking major renovations where incorrect equipment sizing could result in uncomfortable living conditions and elevated energy expenses. Their background includes work with high-efficiency mechanical systems and knowledge of building science principles targeting tight, well-insulated homes. Several reviewers note the firm's willingness to consult directly with architects and general contractors to integrate duct design seamlessly into overall building plans.
Customer reviews consistently praise Michael's thoroughness and communication skills throughout the design process. One reviewer, identifying himself as an engineer, detailed how Michael walked him through the detailed report and explained technical concepts in accessible terms. Another homeowner building in West Tennessee worked with Michael Rhodes, who coordinated load calculations with their chosen HVAC contractor and consulted their architect to harmonize duct design with the building's structure. Multiple reviewers emphasize the firm's responsive communication and methodical approach, noting that they consider variables many contractors overlook and collaborate with other professionals to address all project complexities.
What Customers Say
Every reviewer awarded a 5-star rating, with 4 of 6 reviewers specifically mentioning Michael by name and praising his detailed engineering approach. Positive feedback consistently references thorough load calculations and system design planning, while one reviewer noted the firm's fair pricing alongside their technical expertise.
Services
HVAC System Design
Custom system design for new construction and replacement installations using industry-standard load calculation methods.
Load Calculations (Manual J)
Precise heating and cooling load analysis to determine correct equipment capacity for your specific home.
Equipment Sizing (Manual S)
System capacity verification ensuring selected equipment meets calculated loads within manufacturer guidelines.
Duct Design (Manual D)
Duct layout and sizing optimization for proper airflow distribution throughout the home.
Energy Cost Analysis
Cost and energy studies helping homeowners understand operational expenses of different system options.
Failure Analysis
Diagnostic evaluation of existing system problems and recommendations for corrective solutions.
Architectural Coordination
Consultation services working directly with architects to integrate duct design into building plans.