# McCallum HVAC Design Inc — WebsDocs ASG Directory Profile This is a public business listing published by the WebsDocs ASG Directory. It provides machine-readable public information and static answers. It is not a live seller AI. Canonical Directory profile: https://directory.websdocs.com/business/mccallum-hvac-design-inc Canonical Directory JSON: https://directory.websdocs.com/business/mccallum-hvac-design-inc.json Machine-readable public profile: https://aig.websdocs.com/ai/mccallum-hvac-design-inc/profile Company profile JSON: https://aig.websdocs.com/ai/mccallum-hvac-design-inc/data/aig-company-profile.json Static Agent Card: https://aig.websdocs.com/ai/mccallum-hvac-design-inc/.well-known/agent-card.json Public discovery endpoints: - Profile: https://aig.websdocs.com/ai/mccallum-hvac-design-inc/profile - Company JSON: https://aig.websdocs.com/ai/mccallum-hvac-design-inc/data/aig-company-profile.json - Services: https://aig.websdocs.com/ai/mccallum-hvac-design-inc/services - Offers: https://aig.websdocs.com/ai/mccallum-hvac-design-inc/offers - Schema: https://aig.websdocs.com/ai/mccallum-hvac-design-inc/schema.jsonld - Agent Card: https://aig.websdocs.com/ai/mccallum-hvac-design-inc/.well-known/agent-card.json Business summary: McCallum HVAC Design Inc | Design excellence with on time delivery About McCallum HVAC Design Services Contact McCallum HVAC Design McCallum HVAC Design Careers McCallum HVAC Design Clients McCallum HVAC Design Professional Services Select Page About US Professional Services Our Clients Careers Contact About US Professional Services Our Clients Careers Contact  Phone (905) 840-8166  Email info@mccallumhvac.com OUR DESIGN PROCESS IS OUR ADVANTAGE From initial contact through design, to project completion, we follow up with you all along the way. Get Started Today Residential HVAC Design Services a unique approach to HVAC Design Our Goal is on time delivery and accuracy. At McCallum HVAC Des Status and boundaries: - Directory public profile - Customer-owned domain required: not applicable - Active seller agent: false - A2A messaging: unavailable - Live reasoning or RAG: unavailable - UCP and MCP: unavailable - Checkout and payment execution: unavailable - Private data access: unavailable Use the canonical Directory profile for current public evidence. Do not infer that a live AI Sales Gateway is active.