September 2026

Southold Heating and Air Conditioning .nf{--ink:#2c2f2c;--deep:#20504c;--mid:#337d74;--clay:#c05f2c;--sand:#faf7f0;--line:#e0dacd;--soft:#6f7570; max-width:880px;margin:0 auto;color:var(--ink);font-size:1.06rem;line-height:1.75} /* ---- typography: serif headings set this apart immediately ---- */ .nf h2{font-family:Georgia,'Iowan Old Style','Times New Roman',serif;font-weight:600;font-size:1.85rem; line-height:1.25;color:var(--deep);margin:2.6em 0 .2em;letter-spacing:-.01em} .nf h2 + .nf-kicker{margin-top:0} .nf h3{font-family:Georgia,'Iowan Old Style',serif;font-weight:600;font-size:1.2rem;color:var(--mid);margin:1.8em 0 .4em} .nf p{margin:0 0 1.15em} .nf ul,.nf ol{margin:0 0 1.4em

Riverhead Heating and Air Conditioning .oas-pillar{max-width:860px;margin:0 auto;font-size:1.05rem;line-height:1.7;color:#1f2a33} .oas-pillar h2{margin-top:2.2em;margin-bottom:.5em;line-height:1.3;font-size:1.75rem;color:#0b3c5d} .oas-pillar h3{margin-top:1.6em;margin-bottom:.4em;font-size:1.25rem;color:#12506f} .oas-pillar p{margin:0 0 1.1em} .oas-pillar ul,.oas-pillar ol{margin:0 0 1.3em 1.3em} .oas-pillar li{margin-bottom:.5em} .oas-answer{background:#eef6fb;border-left:5px solid #0b7fab;border-radius:6px;padding:1.2em 1.4em;margin:1.6em 0} .oas-answer p:last-child{margin-bottom:0} .oas-answer strong{color:#0b3c5d} .oas-toc{background:#f6f8fa;border:1px solid #dfe6ec;border-radius:6px;padding:1.1em 1.4em;margin:1.8em 0} .oas-toc p{font-weight:700;margin-bottom:.6em;color:#0b3c5d} .oas-toc ul{margin-bottom:0;columns:2;column-gap:2em} @media(max-width:640px){.oas-toc ul{columns:1}} .oas-table-wrap{overflow-x:auto;margin:1.5em 0;-webkit-overflow-scrolling:touch} .oas-pillar table{width:100%;border-collapse:collapse;font-size:.96rem;min-width:520px} .oas-pillar th{background:#0b3c5d;color:#fff;text-align:left;padding:.75em .9em;font-weight:600;vertical-align:top} .oas-pillar td{border-bottom:1px solid #e3e9ee;padding:.75em .9em;vertical-align:top} .oas-pillar tbody tr:nth-child(even)